CA219725A - Inner form for concrete pipe moulds - Google Patents

Inner form for concrete pipe moulds

Info

Publication number
CA219725A
CA219725A CA219725A CA219725DA CA219725A CA 219725 A CA219725 A CA 219725A CA 219725 A CA219725 A CA 219725A CA 219725D A CA219725D A CA 219725DA CA 219725 A CA219725 A CA 219725A
Authority
CA
Canada
Prior art keywords
concrete pipe
inner form
pipe moulds
moulds
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
CA219725A
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 CA219725A publication Critical patent/CA219725A/en
Expired legal-status Critical Current

Links

CA219725A Inner form for concrete pipe moulds Expired CA219725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA219725T

Publications (1)

Publication Number Publication Date
CA219725A true CA219725A (en) 1922-06-20

Family

ID=35114169

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219725A Expired CA219725A (en) Inner form for concrete pipe moulds

Country Status (1)

Country Link
CA (1) CA219725A (en)

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