JPS646933U - - Google Patents

Info

Publication number
JPS646933U
JPS646933U JP10287887U JP10287887U JPS646933U JP S646933 U JPS646933 U JP S646933U JP 10287887 U JP10287887 U JP 10287887U JP 10287887 U JP10287887 U JP 10287887U JP S646933 U JPS646933 U JP S646933U
Authority
JP
Japan
Prior art keywords
ear mask
way communication
ear
mask
suspends
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
JP10287887U
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 JP10287887U priority Critical patent/JPS646933U/ja
Publication of JPS646933U publication Critical patent/JPS646933U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
JP10287887U 1987-07-03 1987-07-03 Pending JPS646933U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10287887U JPS646933U (enrdf_load_stackoverflow) 1987-07-03 1987-07-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10287887U JPS646933U (enrdf_load_stackoverflow) 1987-07-03 1987-07-03

Publications (1)

Publication Number Publication Date
JPS646933U true JPS646933U (enrdf_load_stackoverflow) 1989-01-17

Family

ID=31333192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10287887U Pending JPS646933U (enrdf_load_stackoverflow) 1987-07-03 1987-07-03

Country Status (1)

Country Link
JP (1) JPS646933U (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892919U (ja) * 1981-12-16 1983-06-23 株式会社モリタ製作所 インピ−ダンス・オ−デイオメ−タの耳栓保持構造
JPS6137156A (ja) * 1984-07-28 1986-02-22 シチズン時計株式会社 遮音装置
JPS6155030B2 (enrdf_load_stackoverflow) * 1979-12-07 1986-11-26 Hitachi Ltd

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155030B2 (enrdf_load_stackoverflow) * 1979-12-07 1986-11-26 Hitachi Ltd
JPS5892919U (ja) * 1981-12-16 1983-06-23 株式会社モリタ製作所 インピ−ダンス・オ−デイオメ−タの耳栓保持構造
JPS6137156A (ja) * 1984-07-28 1986-02-22 シチズン時計株式会社 遮音装置

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