JPH0748272Y2 - 防塵用マスクの濾過体 - Google Patents

防塵用マスクの濾過体

Info

Publication number
JPH0748272Y2
JPH0748272Y2 JP11966789U JP11966789U JPH0748272Y2 JP H0748272 Y2 JPH0748272 Y2 JP H0748272Y2 JP 11966789 U JP11966789 U JP 11966789U JP 11966789 U JP11966789 U JP 11966789U JP H0748272 Y2 JPH0748272 Y2 JP H0748272Y2
Authority
JP
Japan
Prior art keywords
outer frame
frame plate
central member
fixed
rib
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
JP11966789U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358448U (sr
Inventor
軍司 笹川
史雄 森
Original Assignee
三光化学工業株式会社
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 三光化学工業株式会社 filed Critical 三光化学工業株式会社
Priority to JP11966789U priority Critical patent/JPH0748272Y2/ja
Publication of JPH0358448U publication Critical patent/JPH0358448U/ja
Application granted granted Critical
Publication of JPH0748272Y2 publication Critical patent/JPH0748272Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP11966789U 1989-10-16 1989-10-16 防塵用マスクの濾過体 Expired - Lifetime JPH0748272Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11966789U JPH0748272Y2 (ja) 1989-10-16 1989-10-16 防塵用マスクの濾過体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11966789U JPH0748272Y2 (ja) 1989-10-16 1989-10-16 防塵用マスクの濾過体

Publications (2)

Publication Number Publication Date
JPH0358448U JPH0358448U (sr) 1991-06-06
JPH0748272Y2 true JPH0748272Y2 (ja) 1995-11-08

Family

ID=31667778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11966789U Expired - Lifetime JPH0748272Y2 (ja) 1989-10-16 1989-10-16 防塵用マスクの濾過体

Country Status (1)

Country Link
JP (1) JPH0748272Y2 (sr)

Also Published As

Publication number Publication date
JPH0358448U (sr) 1991-06-06

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term