CA4897A - Apparatus for the ventilation of sewers - Google Patents

Apparatus for the ventilation of sewers

Info

Publication number
CA4897A
CA4897A CA000004897A CA4897DA CA4897A CA 4897 A CA4897 A CA 4897A CA 000004897 A CA000004897 A CA 000004897A CA 4897D A CA4897D A CA 4897DA CA 4897 A CA4897 A CA 4897A
Authority
CA
Canada
Prior art keywords
sewers
ventilation
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
CA000004897A
Other languages
French (fr)
Inventor
Francis Rourk
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
Publication date
Application granted granted Critical
Publication of CA4897A publication Critical patent/CA4897A/en
Expired legal-status Critical Current

Links

CA000004897A Apparatus for the ventilation of sewers Expired CA4897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA4897T

Publications (1)

Publication Number Publication Date
CA4897A true CA4897A (en) 1875-06-28

Family

ID=45121454

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000004897A Expired CA4897A (en) Apparatus for the ventilation of sewers

Country Status (1)

Country Link
CA (1) CA4897A (en)

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