CH15700A - Perfect microphone transmitter for telephone sets - Google Patents

Perfect microphone transmitter for telephone sets

Info

Publication number
CH15700A
CH15700A CH15700A CH15700DA CH15700A CH 15700 A CH15700 A CH 15700A CH 15700 A CH15700 A CH 15700A CH 15700D A CH15700D A CH 15700DA CH 15700 A CH15700 A CH 15700A
Authority
CH
Switzerland
Prior art keywords
perfect
telephone sets
microphone transmitter
microphone
transmitter
Prior art date
Application number
CH15700A
Other languages
French (fr)
Inventor
Privee Societe Anon Telephonie
Original Assignee
Telephonie Privee Sa D
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 Telephonie Privee Sa D filed Critical Telephonie Privee Sa D
Publication of CH15700A publication Critical patent/CH15700A/en

Links

CH15700A 1897-12-18 1897-12-18 Perfect microphone transmitter for telephone sets CH15700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH15700T 1897-12-18

Publications (1)

Publication Number Publication Date
CH15700A true CH15700A (en) 1898-07-15

Family

ID=4213499

Family Applications (1)

Application Number Title Priority Date Filing Date
CH15700A CH15700A (en) 1897-12-18 1897-12-18 Perfect microphone transmitter for telephone sets

Country Status (1)

Country Link
CH (1) CH15700A (en)

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