CA93312A - Diaphragme pour telephones - Google Patents

Diaphragme pour telephones

Info

Publication number
CA93312A
CA93312A CA000093312A CA93312DA CA93312A CA 93312 A CA93312 A CA 93312A CA 000093312 A CA000093312 A CA 000093312A CA 93312D A CA93312D A CA 93312DA CA 93312 A CA93312 A CA 93312A
Authority
CA
Canada
Prior art keywords
telephones
diaphragm
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
CA000093312A
Other languages
English (en)
Inventor
Sydney Churchill-Otton
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
Application granted granted Critical
Publication of CA93312A publication Critical patent/CA93312A/fr
Expired legal-status Critical Current

Links

CA000093312A 1904-05-09 1904-05-09 Diaphragme pour telephones Expired CA93312A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA93312T 1904-05-09

Publications (1)

Publication Number Publication Date
CA93312A true CA93312A (fr) 1905-05-23

Family

ID=45209847

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000093312A Expired CA93312A (fr) 1904-05-09 1904-05-09 Diaphragme pour telephones

Country Status (1)

Country Link
CA (1) CA93312A (fr)

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