JPS56157863U - - Google Patents

Info

Publication number
JPS56157863U
JPS56157863U JP5556780U JP5556780U JPS56157863U JP S56157863 U JPS56157863 U JP S56157863U JP 5556780 U JP5556780 U JP 5556780U JP 5556780 U JP5556780 U JP 5556780U JP S56157863 U JPS56157863 U JP S56157863U
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
JP5556780U
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 JP5556780U priority Critical patent/JPS56157863U/ja
Publication of JPS56157863U publication Critical patent/JPS56157863U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP5556780U 1980-04-23 1980-04-23 Pending JPS56157863U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5556780U JPS56157863U (cs) 1980-04-23 1980-04-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5556780U JPS56157863U (cs) 1980-04-23 1980-04-23

Publications (1)

Publication Number Publication Date
JPS56157863U true JPS56157863U (cs) 1981-11-25

Family

ID=29650219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5556780U Pending JPS56157863U (cs) 1980-04-23 1980-04-23

Country Status (1)

Country Link
JP (1) JPS56157863U (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63299435A (ja) * 1987-05-28 1988-12-06 Nec Corp 鳴音及び周辺雑音防止方式

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS516528A (ja) * 1974-07-04 1976-01-20 Sony Corp Maikurofuon
JPS5137806B2 (cs) * 1972-11-15 1976-10-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137806B2 (cs) * 1972-11-15 1976-10-18
JPS516528A (ja) * 1974-07-04 1976-01-20 Sony Corp Maikurofuon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63299435A (ja) * 1987-05-28 1988-12-06 Nec Corp 鳴音及び周辺雑音防止方式

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