JPS4984508A - - Google Patents

Info

Publication number
JPS4984508A
JPS4984508A JP12782172A JP12782172A JPS4984508A JP S4984508 A JPS4984508 A JP S4984508A JP 12782172 A JP12782172 A JP 12782172A JP 12782172 A JP12782172 A JP 12782172A JP S4984508 A JPS4984508 A JP S4984508A
Authority
JP
Japan
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.)
Pending
Application number
JP12782172A
Other languages
Japanese (ja)
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 JP12782172A priority Critical patent/JPS4984508A/ja
Publication of JPS4984508A publication Critical patent/JPS4984508A/ja
Pending legal-status Critical Current

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  • Interface Circuits In Exchanges (AREA)
JP12782172A 1972-12-19 1972-12-19 Pending JPS4984508A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12782172A JPS4984508A (de) 1972-12-19 1972-12-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12782172A JPS4984508A (de) 1972-12-19 1972-12-19

Publications (1)

Publication Number Publication Date
JPS4984508A true JPS4984508A (de) 1974-08-14

Family

ID=14969485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12782172A Pending JPS4984508A (de) 1972-12-19 1972-12-19

Country Status (1)

Country Link
JP (1) JPS4984508A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312205A (en) * 1976-07-20 1978-02-03 Int Standard Electric Corp Line current detector
JPS5780983U (de) * 1980-10-31 1982-05-19

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816553A1 (de) * 1968-12-23 1970-06-25 Hartmann & Braun Ag Einrichtung zum Schutze von in explosionsgefaehrdeten Raeumen befindliche Verbraucher und/oder Messwertgeber
DE2019937A1 (de) * 1970-04-24 1971-11-04 Hartmann & Braun Ag Einrichtung zum Schutz von in explosionsgefaehrdeten Raeumen befindlichen Verbrauchern und/oder Messwertgebern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1816553A1 (de) * 1968-12-23 1970-06-25 Hartmann & Braun Ag Einrichtung zum Schutze von in explosionsgefaehrdeten Raeumen befindliche Verbraucher und/oder Messwertgeber
DE2019937A1 (de) * 1970-04-24 1971-11-04 Hartmann & Braun Ag Einrichtung zum Schutz von in explosionsgefaehrdeten Raeumen befindlichen Verbrauchern und/oder Messwertgebern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312205A (en) * 1976-07-20 1978-02-03 Int Standard Electric Corp Line current detector
JPS5633917B2 (de) * 1976-07-20 1981-08-06
JPS5780983U (de) * 1980-10-31 1982-05-19

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