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ES89803A1 - Loudness devices in passenger train alarm devices. - Google Patents

Loudness devices in passenger train alarm devices.

Info

Publication number
ES89803A1
ES89803A1 ES89803A ES89803A ES89803A1 ES 89803 A1 ES89803 A1 ES 89803A1 ES 89803 A ES89803 A ES 89803A ES 89803 A ES89803 A ES 89803A ES 89803 A1 ES89803 A1 ES 89803A1
Authority
ES
Spain
Prior art keywords
devices
loudness
passenger train
train alarm
alarm devices
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
ES89803A
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 ES89803A priority Critical patent/ES89803A1/en
Publication of ES89803A1 publication Critical patent/ES89803A1/en
Expired legal-status Critical Current

Links

ES89803A 1924-06-11 1924-06-11 Loudness devices in passenger train alarm devices. Expired ES89803A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES89803A ES89803A1 (en) 1924-06-11 1924-06-11 Loudness devices in passenger train alarm devices.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES89803A ES89803A1 (en) 1924-06-11 1924-06-11 Loudness devices in passenger train alarm devices.

Publications (1)

Publication Number Publication Date
ES89803A1 true ES89803A1 (en) 1924-12-16

Family

ID=64254336

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89803A Expired ES89803A1 (en) 1924-06-11 1924-06-11 Loudness devices in passenger train alarm devices.

Country Status (1)

Country Link
ES (1) ES89803A1 (en)

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