CA239675A - Manufacture of concrete pipes - Google Patents

Manufacture of concrete pipes

Info

Publication number
CA239675A
CA239675A CA239675A CA239675DA CA239675A CA 239675 A CA239675 A CA 239675A CA 239675 A CA239675 A CA 239675A CA 239675D A CA239675D A CA 239675DA CA 239675 A CA239675 A CA 239675A
Authority
CA
Canada
Prior art keywords
manufacture
concrete pipes
pipes
concrete
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
CA239675A
Other languages
French (fr)
Inventor
C. Mitchell John
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 CA239675A publication Critical patent/CA239675A/en
Expired legal-status Critical Current

Links

CA239675A Manufacture of concrete pipes Expired CA239675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA239675T

Publications (1)

Publication Number Publication Date
CA239675A true CA239675A (en) 1924-04-29

Family

ID=35143706

Family Applications (1)

Application Number Title Priority Date Filing Date
CA239675A Expired CA239675A (en) Manufacture of concrete pipes

Country Status (1)

Country Link
CA (1) CA239675A (en)

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