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ES74641A1 - Improvements in acoustic devices for underwater acoustic signals. - Google Patents

Improvements in acoustic devices for underwater acoustic signals.

Info

Publication number
ES74641A1
ES74641A1 ES74641A ES74641A ES74641A1 ES 74641 A1 ES74641 A1 ES 74641A1 ES 74641 A ES74641 A ES 74641A ES 74641 A ES74641 A ES 74641A ES 74641 A1 ES74641 A1 ES 74641A1
Authority
ES
Spain
Prior art keywords
acoustic
devices
underwater
signals
acoustic signals
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
ES74641A
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.)
Signal GmbH
Original Assignee
Signal GmbH
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 Signal GmbH filed Critical Signal GmbH
Priority to ES74641A priority Critical patent/ES74641A1/en
Publication of ES74641A1 publication Critical patent/ES74641A1/en
Expired legal-status Critical Current

Links

ES74641A 1920-07-10 1920-07-10 Improvements in acoustic devices for underwater acoustic signals. Expired ES74641A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES74641A ES74641A1 (en) 1920-07-10 1920-07-10 Improvements in acoustic devices for underwater acoustic signals.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES74641A ES74641A1 (en) 1920-07-10 1920-07-10 Improvements in acoustic devices for underwater acoustic signals.

Publications (1)

Publication Number Publication Date
ES74641A1 true ES74641A1 (en) 1920-11-01

Family

ID=64244761

Family Applications (1)

Application Number Title Priority Date Filing Date
ES74641A Expired ES74641A1 (en) 1920-07-10 1920-07-10 Improvements in acoustic devices for underwater acoustic signals.

Country Status (1)

Country Link
ES (1) ES74641A1 (en)

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