DK23402C - Self-acting Power Shutter and Power Switch Device for Thermal Phones. - Google Patents

Self-acting Power Shutter and Power Switch Device for Thermal Phones.

Info

Publication number
DK23402C
DK23402C DK23402DA DK23402C DK 23402 C DK23402 C DK 23402C DK 23402D A DK23402D A DK 23402DA DK 23402 C DK23402 C DK 23402C
Authority
DK
Denmark
Prior art keywords
phones
self
thermal
power
switch device
Prior art date
Application number
Other languages
Danish (da)
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.)
Publication date
Application granted granted Critical
Publication of DK23402C publication Critical patent/DK23402C/en

Links

DK23402D 1916-02-16 Self-acting Power Shutter and Power Switch Device for Thermal Phones. DK23402C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE23402X 1916-02-16

Publications (1)

Publication Number Publication Date
DK23402C true DK23402C (en) 1918-08-19

Family

ID=27815425

Family Applications (1)

Application Number Title Priority Date Filing Date
DK23402D DK23402C (en) 1916-02-16 Self-acting Power Shutter and Power Switch Device for Thermal Phones.

Country Status (1)

Country Link
DK (1) DK23402C (en)

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