JPS60180452U - 防塵マスク用給気管 - Google Patents

防塵マスク用給気管

Info

Publication number
JPS60180452U
JPS60180452U JP6936884U JP6936884U JPS60180452U JP S60180452 U JPS60180452 U JP S60180452U JP 6936884 U JP6936884 U JP 6936884U JP 6936884 U JP6936884 U JP 6936884U JP S60180452 U JPS60180452 U JP S60180452U
Authority
JP
Japan
Prior art keywords
supply pipe
air supply
dust mask
mask
dust
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
JP6936884U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0515326Y2 (https=
Inventor
相賀　豊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taisei Corp
Original Assignee
Taisei Corp
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 by Taisei Corp filed Critical Taisei Corp
Priority to JP6936884U priority Critical patent/JPS60180452U/ja
Publication of JPS60180452U publication Critical patent/JPS60180452U/ja
Application granted granted Critical
Publication of JPH0515326Y2 publication Critical patent/JPH0515326Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP6936884U 1984-05-11 1984-05-11 防塵マスク用給気管 Granted JPS60180452U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6936884U JPS60180452U (ja) 1984-05-11 1984-05-11 防塵マスク用給気管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6936884U JPS60180452U (ja) 1984-05-11 1984-05-11 防塵マスク用給気管

Publications (2)

Publication Number Publication Date
JPS60180452U true JPS60180452U (ja) 1985-11-30
JPH0515326Y2 JPH0515326Y2 (https=) 1993-04-22

Family

ID=30604978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6936884U Granted JPS60180452U (ja) 1984-05-11 1984-05-11 防塵マスク用給気管

Country Status (1)

Country Link
JP (1) JPS60180452U (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52135395U (https=) * 1976-04-08 1977-10-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52135395U (https=) * 1976-04-08 1977-10-14

Also Published As

Publication number Publication date
JPH0515326Y2 (https=) 1993-04-22

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