[go: up one dir, main page]

ES17748A1 - Improvements in telephone installations to increase sound forces. - Google Patents

Improvements in telephone installations to increase sound forces.

Info

Publication number
ES17748A1
ES17748A1 ES17748A ES17748A ES17748A1 ES 17748 A1 ES17748 A1 ES 17748A1 ES 17748 A ES17748 A ES 17748A ES 17748 A ES17748 A ES 17748A ES 17748 A1 ES17748 A1 ES 17748A1
Authority
ES
Spain
Prior art keywords
increase sound
telephone installations
forces
sound forces
installations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES17748A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES17748A priority Critical patent/ES17748A1/en
Publication of ES17748A1 publication Critical patent/ES17748A1/en
Expired legal-status Critical Current

Links

ES17748A 1895-07-20 1895-07-20 Improvements in telephone installations to increase sound forces. Expired ES17748A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES17748A ES17748A1 (en) 1895-07-20 1895-07-20 Improvements in telephone installations to increase sound forces.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES17748A ES17748A1 (en) 1895-07-20 1895-07-20 Improvements in telephone installations to increase sound forces.

Publications (1)

Publication Number Publication Date
ES17748A1 true ES17748A1 (en) 1895-10-01

Family

ID=64160275

Family Applications (1)

Application Number Title Priority Date Filing Date
ES17748A Expired ES17748A1 (en) 1895-07-20 1895-07-20 Improvements in telephone installations to increase sound forces.

Country Status (1)

Country Link
ES (1) ES17748A1 (en)

Similar Documents

Publication Publication Date Title
ES17748A1 (en) Improvements in telephone installations to increase sound forces.
ES18440A2 (en) Improvements in telephone installations to increase the strength of sound.
ES17490A1 (en) Improvements in telephone installations to increase the strength of sound.
CH10222A (en) Toilet
ES18314A1 (en) Improvements made to gas production devices.
ES15340A1 (en) Improvements made to the Spanish fallebas.
ES18458A1 (en) Improvements in autocannons.
ES17846A1 (en) Whale enhancements to corsets.
CH11012A (en) Voice attenuator
CH10542A (en) Armchair
ES17731A1 (en) Improvements in electrical signaling devices.
ES15621A2 (en) Improvements in continuous presses.
ES17459A1 (en) Improvements in letterpress presses.
ES17175A2 (en) Improvements in accumulators.
CH10385A (en) Ellipsograph
ES17223A1 (en) Improvements in the fornallas.
CH11091A (en) New to temprofs
ES17420A1 (en) Improvements made to wire winders.
ES23112A1 (en) Improvements in telephone installations.
ES17996A1 (en) Improvements in lifeboats.
DK235C (en) Falstagsten.
DK252C (en) Sandcement.
DK285C (en) Glastage.
CH10488A (en) Mailbox
ES16098A1 (en) Improvements made to telegraphic signals.