CA489322A - Manufacture of concrete pipes - Google Patents

Manufacture of concrete pipes

Info

Publication number
CA489322A
CA489322A CA489322A CA489322DA CA489322A CA 489322 A CA489322 A CA 489322A CA 489322 A CA489322 A CA 489322A CA 489322D A CA489322D A CA 489322DA CA 489322 A CA489322 A CA 489322A
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
CA489322A
Other languages
French (fr)
Inventor
Eric Gowing Nelson
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 CA489322A publication Critical patent/CA489322A/en
Expired legal-status Critical Current

Links

CA489322A Manufacture of concrete pipes Expired CA489322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489322T

Publications (1)

Publication Number Publication Date
CA489322A true CA489322A (en) 1952-12-30

Family

ID=35629048

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489322A Expired CA489322A (en) Manufacture of concrete pipes

Country Status (1)

Country Link
CA (1) CA489322A (en)

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