JPS612605Y2 - - Google Patents

Info

Publication number
JPS612605Y2
JPS612605Y2 JP1981161122U JP16112281U JPS612605Y2 JP S612605 Y2 JPS612605 Y2 JP S612605Y2 JP 1981161122 U JP1981161122 U JP 1981161122U JP 16112281 U JP16112281 U JP 16112281U JP S612605 Y2 JPS612605 Y2 JP S612605Y2
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.)
Expired
Application number
JP1981161122U
Other languages
Japanese (ja)
Other versions
JPS5867458U (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 JP16112281U priority Critical patent/JPS5867458U/ja
Publication of JPS5867458U publication Critical patent/JPS5867458U/ja
Application granted granted Critical
Publication of JPS612605Y2 publication Critical patent/JPS612605Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP16112281U 1981-10-30 1981-10-30 マスク用会話装置 Granted JPS5867458U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16112281U JPS5867458U (ja) 1981-10-30 1981-10-30 マスク用会話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16112281U JPS5867458U (ja) 1981-10-30 1981-10-30 マスク用会話装置

Publications (2)

Publication Number Publication Date
JPS5867458U JPS5867458U (ja) 1983-05-07
JPS612605Y2 true JPS612605Y2 (enrdf_load_stackoverflow) 1986-01-28

Family

ID=29953504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16112281U Granted JPS5867458U (ja) 1981-10-30 1981-10-30 マスク用会話装置

Country Status (1)

Country Link
JP (1) JPS5867458U (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100801140B1 (ko) 2006-11-29 2008-02-11 배종승 방독면용 통화장치
KR100828001B1 (ko) 2006-11-29 2008-05-08 배종승 방독면용 통화장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860217A (ja) * 1981-10-06 1983-04-09 Yokogawa Hokushin Electric Corp 渦流量計

Also Published As

Publication number Publication date
JPS5867458U (ja) 1983-05-07

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