JPH061708Y2 - マスク - Google Patents

マスク

Info

Publication number
JPH061708Y2
JPH061708Y2 JP7158487U JP7158487U JPH061708Y2 JP H061708 Y2 JPH061708 Y2 JP H061708Y2 JP 7158487 U JP7158487 U JP 7158487U JP 7158487 U JP7158487 U JP 7158487U JP H061708 Y2 JPH061708 Y2 JP H061708Y2
Authority
JP
Japan
Prior art keywords
mask
air
gas
present
air supply
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.)
Expired - Lifetime
Application number
JP7158487U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63182767U (enrdf_load_stackoverflow
Inventor
良介 小野寺
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.)
Koken Ltd
Original Assignee
Koken Ltd
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 Koken Ltd filed Critical Koken Ltd
Priority to JP7158487U priority Critical patent/JPH061708Y2/ja
Publication of JPS63182767U publication Critical patent/JPS63182767U/ja
Application granted granted Critical
Publication of JPH061708Y2 publication Critical patent/JPH061708Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP7158487U 1987-05-15 1987-05-15 マスク Expired - Lifetime JPH061708Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7158487U JPH061708Y2 (ja) 1987-05-15 1987-05-15 マスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7158487U JPH061708Y2 (ja) 1987-05-15 1987-05-15 マスク

Publications (2)

Publication Number Publication Date
JPS63182767U JPS63182767U (enrdf_load_stackoverflow) 1988-11-25
JPH061708Y2 true JPH061708Y2 (ja) 1994-01-19

Family

ID=30914267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7158487U Expired - Lifetime JPH061708Y2 (ja) 1987-05-15 1987-05-15 マスク

Country Status (1)

Country Link
JP (1) JPH061708Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230310908A1 (en) * 2020-09-04 2023-10-05 Embrace Technologies Gmbh Respiratory protection mask

Also Published As

Publication number Publication date
JPS63182767U (enrdf_load_stackoverflow) 1988-11-25

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