JPS63139481U - - Google Patents

Info

Publication number
JPS63139481U
JPS63139481U JP3167887U JP3167887U JPS63139481U JP S63139481 U JPS63139481 U JP S63139481U JP 3167887 U JP3167887 U JP 3167887U JP 3167887 U JP3167887 U JP 3167887U JP S63139481 U JPS63139481 U JP S63139481U
Authority
JP
Japan
Prior art keywords
flexible
ceiling
vent pipe
cross
arched
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.)
Granted
Application number
JP3167887U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0618195Y2 (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 JP1987031678U priority Critical patent/JPH0618195Y2/ja
Publication of JPS63139481U publication Critical patent/JPS63139481U/ja
Application granted granted Critical
Publication of JPH0618195Y2 publication Critical patent/JPH0618195Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Duct Arrangements (AREA)
JP1987031678U 1987-03-04 1987-03-04 トンネル、倉庫等の構築物用可撓通気管 Expired - Lifetime JPH0618195Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987031678U JPH0618195Y2 (ja) 1987-03-04 1987-03-04 トンネル、倉庫等の構築物用可撓通気管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987031678U JPH0618195Y2 (ja) 1987-03-04 1987-03-04 トンネル、倉庫等の構築物用可撓通気管

Publications (2)

Publication Number Publication Date
JPS63139481U true JPS63139481U (enrdf_load_stackoverflow) 1988-09-13
JPH0618195Y2 JPH0618195Y2 (ja) 1994-05-11

Family

ID=30837636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987031678U Expired - Lifetime JPH0618195Y2 (ja) 1987-03-04 1987-03-04 トンネル、倉庫等の構築物用可撓通気管

Country Status (1)

Country Link
JP (1) JPH0618195Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018096161A (ja) * 2016-12-15 2018-06-21 清水建設株式会社 坑内換気用ダクト

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014332U (enrdf_load_stackoverflow) * 1973-06-08 1975-02-14
JPS57187983U (enrdf_load_stackoverflow) * 1981-05-26 1982-11-29

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014332U (enrdf_load_stackoverflow) * 1973-06-08 1975-02-14
JPS57187983U (enrdf_load_stackoverflow) * 1981-05-26 1982-11-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018096161A (ja) * 2016-12-15 2018-06-21 清水建設株式会社 坑内換気用ダクト

Also Published As

Publication number Publication date
JPH0618195Y2 (ja) 1994-05-11

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