JPH0358449U - - Google Patents

Info

Publication number
JPH0358449U
JPH0358449U JP11966889U JP11966889U JPH0358449U JP H0358449 U JPH0358449 U JP H0358449U JP 11966889 U JP11966889 U JP 11966889U JP 11966889 U JP11966889 U JP 11966889U JP H0358449 U JPH0358449 U JP H0358449U
Authority
JP
Japan
Prior art keywords
outer frame
frame plate
center
fixing cylinder
hole
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
JP11966889U
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 JP11966889U priority Critical patent/JPH0358449U/ja
Publication of JPH0358449U publication Critical patent/JPH0358449U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP11966889U 1989-10-16 1989-10-16 Pending JPH0358449U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11966889U JPH0358449U (enrdf_load_stackoverflow) 1989-10-16 1989-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11966889U JPH0358449U (enrdf_load_stackoverflow) 1989-10-16 1989-10-16

Publications (1)

Publication Number Publication Date
JPH0358449U true JPH0358449U (enrdf_load_stackoverflow) 1991-06-06

Family

ID=31667779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11966889U Pending JPH0358449U (enrdf_load_stackoverflow) 1989-10-16 1989-10-16

Country Status (1)

Country Link
JP (1) JPH0358449U (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128878A (en) * 1975-05-01 1976-11-10 Shigematsu Seisakushiyo Kk Powder dust filter for mask

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128878A (en) * 1975-05-01 1976-11-10 Shigematsu Seisakushiyo Kk Powder dust filter for mask

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