JPH01172796U - - Google Patents

Info

Publication number
JPH01172796U
JPH01172796U JP6884988U JP6884988U JPH01172796U JP H01172796 U JPH01172796 U JP H01172796U JP 6884988 U JP6884988 U JP 6884988U JP 6884988 U JP6884988 U JP 6884988U JP H01172796 U JPH01172796 U JP H01172796U
Authority
JP
Japan
Prior art keywords
duct
buttful
opening
cover
extension
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
JP6884988U
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 JP6884988U priority Critical patent/JPH01172796U/ja
Publication of JPH01172796U publication Critical patent/JPH01172796U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
JP6884988U 1988-05-25 1988-05-25 Pending JPH01172796U (US07223432-20070529-C00017.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6884988U JPH01172796U (US07223432-20070529-C00017.png) 1988-05-25 1988-05-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6884988U JPH01172796U (US07223432-20070529-C00017.png) 1988-05-25 1988-05-25

Publications (1)

Publication Number Publication Date
JPH01172796U true JPH01172796U (US07223432-20070529-C00017.png) 1989-12-07

Family

ID=31294144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6884988U Pending JPH01172796U (US07223432-20070529-C00017.png) 1988-05-25 1988-05-25

Country Status (1)

Country Link
JP (1) JPH01172796U (US07223432-20070529-C00017.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559175B2 (US07223432-20070529-C00017.png) * 1976-12-07 1980-03-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559175B2 (US07223432-20070529-C00017.png) * 1976-12-07 1980-03-08

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