CA317892A - Sound emitter - Google Patents

Sound emitter

Info

Publication number
CA317892A
CA317892A CA317892A CA317892DA CA317892A CA 317892 A CA317892 A CA 317892A CA 317892 A CA317892 A CA 317892A CA 317892D A CA317892D A CA 317892DA CA 317892 A CA317892 A CA 317892A
Authority
CA
Canada
Prior art keywords
sound emitter
emitter
sound
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
CA317892A
Other languages
French (fr)
Inventor
Faraday Dutton Gilbert
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA317892A publication Critical patent/CA317892A/en
Expired legal-status Critical Current

Links

CA317892A Sound emitter Expired CA317892A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA317892T

Publications (1)

Publication Number Publication Date
CA317892A true CA317892A (en) 1931-12-08

Family

ID=35278448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA317892A Expired CA317892A (en) Sound emitter

Country Status (1)

Country Link
CA (1) CA317892A (en)

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