JPS62183863U - - Google Patents

Info

Publication number
JPS62183863U
JPS62183863U JP7231886U JP7231886U JPS62183863U JP S62183863 U JPS62183863 U JP S62183863U JP 7231886 U JP7231886 U JP 7231886U JP 7231886 U JP7231886 U JP 7231886U JP S62183863 U JPS62183863 U JP S62183863U
Authority
JP
Japan
Prior art keywords
loudspeaker
gas mask
port
microphone
speaker
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.)
Pending
Application number
JP7231886U
Other languages
English (en)
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 JP7231886U priority Critical patent/JPS62183863U/ja
Publication of JPS62183863U publication Critical patent/JPS62183863U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP7231886U 1986-05-13 1986-05-13 Pending JPS62183863U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7231886U JPS62183863U (enrdf_load_stackoverflow) 1986-05-13 1986-05-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7231886U JPS62183863U (enrdf_load_stackoverflow) 1986-05-13 1986-05-13

Publications (1)

Publication Number Publication Date
JPS62183863U true JPS62183863U (enrdf_load_stackoverflow) 1987-11-21

Family

ID=30915672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7231886U Pending JPS62183863U (enrdf_load_stackoverflow) 1986-05-13 1986-05-13

Country Status (1)

Country Link
JP (1) JPS62183863U (enrdf_load_stackoverflow)

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