CH73154A - Thermal telephone - Google Patents

Thermal telephone

Info

Publication number
CH73154A
CH73154A CH73154A CH73154DA CH73154A CH 73154 A CH73154 A CH 73154A CH 73154 A CH73154 A CH 73154A CH 73154D A CH73154D A CH 73154DA CH 73154 A CH73154 A CH 73154A
Authority
CH
Switzerland
Prior art keywords
telephone
thermal
thermal telephone
Prior art date
Application number
CH73154A
Other languages
German (de)
Inventor
Naamlooze Vennoot Maatschappij
Original Assignee
De Nl Thermo Telephoon Mij Nv
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 De Nl Thermo Telephoon Mij Nv filed Critical De Nl Thermo Telephoon Mij Nv
Publication of CH73154A publication Critical patent/CH73154A/en

Links

CH73154A 1916-01-21 1916-01-21 Thermal telephone CH73154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH73154T 1916-01-21

Publications (1)

Publication Number Publication Date
CH73154A true CH73154A (en) 1916-08-16

Family

ID=4323192

Family Applications (1)

Application Number Title Priority Date Filing Date
CH73154A CH73154A (en) 1916-01-21 1916-01-21 Thermal telephone

Country Status (1)

Country Link
CH (1) CH73154A (en)

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