GB189321274A - An Improved Ventilating Device for Sewers. - Google Patents

An Improved Ventilating Device for Sewers.

Info

Publication number
GB189321274A
GB189321274A GB189321274DA GB189321274A GB 189321274 A GB189321274 A GB 189321274A GB 189321274D A GB189321274D A GB 189321274DA GB 189321274 A GB189321274 A GB 189321274A
Authority
GB
United Kingdom
Prior art keywords
sewers
ventilating device
improved ventilating
improved
ventilating
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
Application number
Inventor
George Law Junr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB189321274A publication Critical patent/GB189321274A/en
Expired legal-status Critical Current

Links

GB189321274D 1893-11-08 1893-11-08 An Improved Ventilating Device for Sewers. Expired GB189321274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189321274T 1893-11-08

Publications (1)

Publication Number Publication Date
GB189321274A true GB189321274A (en) 1893-12-09

Family

ID=35243206

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189321274D Expired GB189321274A (en) 1893-11-08 1893-11-08 An Improved Ventilating Device for Sewers.

Country Status (1)

Country Link
GB (1) GB189321274A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109914471A (en) * 2019-02-27 2019-06-21 中国通信建设第一工程局有限公司 Air interchanger in a kind of manhole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109914471A (en) * 2019-02-27 2019-06-21 中国通信建设第一工程局有限公司 Air interchanger in a kind of manhole

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