JPH0358564U - - Google Patents

Info

Publication number
JPH0358564U
JPH0358564U JP11990589U JP11990589U JPH0358564U JP H0358564 U JPH0358564 U JP H0358564U JP 11990589 U JP11990589 U JP 11990589U JP 11990589 U JP11990589 U JP 11990589U JP H0358564 U JPH0358564 U JP H0358564U
Authority
JP
Japan
Prior art keywords
swinging flap
swinging
flap
stairs
flow
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
JP11990589U
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 JP11990589U priority Critical patent/JPH0358564U/ja
Publication of JPH0358564U publication Critical patent/JPH0358564U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Check Valves (AREA)
JP11990589U 1989-10-13 1989-10-13 Pending JPH0358564U (US07223432-20070529-C00017.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11990589U JPH0358564U (US07223432-20070529-C00017.png) 1989-10-13 1989-10-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11990589U JPH0358564U (US07223432-20070529-C00017.png) 1989-10-13 1989-10-13

Publications (1)

Publication Number Publication Date
JPH0358564U true JPH0358564U (US07223432-20070529-C00017.png) 1991-06-07

Family

ID=31668001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11990589U Pending JPH0358564U (US07223432-20070529-C00017.png) 1989-10-13 1989-10-13

Country Status (1)

Country Link
JP (1) JPH0358564U (US07223432-20070529-C00017.png)

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