JPH02121049U - - Google Patents

Info

Publication number
JPH02121049U
JPH02121049U JP3009189U JP3009189U JPH02121049U JP H02121049 U JPH02121049 U JP H02121049U JP 3009189 U JP3009189 U JP 3009189U JP 3009189 U JP3009189 U JP 3009189U JP H02121049 U JPH02121049 U JP H02121049U
Authority
JP
Japan
Prior art keywords
exhaust valve
whistle
assembly
valve seat
threaded guide
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.)
Granted
Application number
JP3009189U
Other languages
English (en)
Japanese (ja)
Other versions
JPH074033Y2 (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 JP3009189U priority Critical patent/JPH074033Y2/ja
Publication of JPH02121049U publication Critical patent/JPH02121049U/ja
Application granted granted Critical
Publication of JPH074033Y2 publication Critical patent/JPH074033Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP3009189U 1989-03-16 1989-03-16 笛の吹鳴装置を具えた防塵・防毒マスク Expired - Fee Related JPH074033Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3009189U JPH074033Y2 (ja) 1989-03-16 1989-03-16 笛の吹鳴装置を具えた防塵・防毒マスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3009189U JPH074033Y2 (ja) 1989-03-16 1989-03-16 笛の吹鳴装置を具えた防塵・防毒マスク

Publications (2)

Publication Number Publication Date
JPH02121049U true JPH02121049U (zh) 1990-10-01
JPH074033Y2 JPH074033Y2 (ja) 1995-02-01

Family

ID=31254847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3009189U Expired - Fee Related JPH074033Y2 (ja) 1989-03-16 1989-03-16 笛の吹鳴装置を具えた防塵・防毒マスク

Country Status (1)

Country Link
JP (1) JPH074033Y2 (zh)

Also Published As

Publication number Publication date
JPH074033Y2 (ja) 1995-02-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees