PL109522B2 - Central battery telephone set with spark-safe call circuit - Google Patents

Central battery telephone set with spark-safe call circuit

Info

Publication number
PL109522B2
PL109522B2 PL20863078A PL20863078A PL109522B2 PL 109522 B2 PL109522 B2 PL 109522B2 PL 20863078 A PL20863078 A PL 20863078A PL 20863078 A PL20863078 A PL 20863078A PL 109522 B2 PL109522 B2 PL 109522B2
Authority
PL
Poland
Prior art keywords
spark
telephone set
call circuit
central battery
battery telephone
Prior art date
Application number
PL20863078A
Other versions
PL208630A1 (en
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 filed Critical
Priority to PL20863078A priority Critical patent/PL109522B2/en
Publication of PL208630A1 publication Critical patent/PL208630A1/en
Publication of PL109522B2 publication Critical patent/PL109522B2/en

Links

PL20863078A 1978-07-24 1978-07-24 Central battery telephone set with spark-safe call circuit PL109522B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL20863078A PL109522B2 (en) 1978-07-24 1978-07-24 Central battery telephone set with spark-safe call circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20863078A PL109522B2 (en) 1978-07-24 1978-07-24 Central battery telephone set with spark-safe call circuit

Publications (2)

Publication Number Publication Date
PL208630A1 PL208630A1 (en) 1979-05-21
PL109522B2 true PL109522B2 (en) 1980-06-30

Family

ID=19990740

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20863078A PL109522B2 (en) 1978-07-24 1978-07-24 Central battery telephone set with spark-safe call circuit

Country Status (1)

Country Link
PL (1) PL109522B2 (en)

Also Published As

Publication number Publication date
PL208630A1 (en) 1979-05-21

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