JPH0528877Y2 - - Google Patents

Info

Publication number
JPH0528877Y2
JPH0528877Y2 JP1985105395U JP10539585U JPH0528877Y2 JP H0528877 Y2 JPH0528877 Y2 JP H0528877Y2 JP 1985105395 U JP1985105395 U JP 1985105395U JP 10539585 U JP10539585 U JP 10539585U JP H0528877 Y2 JPH0528877 Y2 JP H0528877Y2
Authority
JP
Japan
Prior art keywords
microphone
explosion
hazardous area
transmitted
connection box
Prior art date
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.)
Expired - Lifetime
Application number
JP1985105395U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6214888U (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 JP1985105395U priority Critical patent/JPH0528877Y2/ja
Publication of JPS6214888U publication Critical patent/JPS6214888U/ja
Application granted granted Critical
Publication of JPH0528877Y2 publication Critical patent/JPH0528877Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
JP1985105395U 1985-07-10 1985-07-10 Expired - Lifetime JPH0528877Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985105395U JPH0528877Y2 (en]) 1985-07-10 1985-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985105395U JPH0528877Y2 (en]) 1985-07-10 1985-07-10

Publications (2)

Publication Number Publication Date
JPS6214888U JPS6214888U (en]) 1987-01-29
JPH0528877Y2 true JPH0528877Y2 (en]) 1993-07-23

Family

ID=30979784

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985105395U Expired - Lifetime JPH0528877Y2 (en]) 1985-07-10 1985-07-10

Country Status (1)

Country Link
JP (1) JPH0528877Y2 (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117014U (en]) * 1974-07-25 1976-02-07
JPS5618072U (en]) * 1979-07-20 1981-02-17
JPS5959054U (ja) * 1982-10-12 1984-04-17 進氏工業株式会社 光フアイバ−信号伝送マイクロフオン

Also Published As

Publication number Publication date
JPS6214888U (en]) 1987-01-29

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