CA474125A - Concrete pipe - Google Patents

Concrete pipe

Info

Publication number
CA474125A
CA474125A CA474125A CA474125DA CA474125A CA 474125 A CA474125 A CA 474125A CA 474125 A CA474125 A CA 474125A CA 474125D A CA474125D A CA 474125DA CA 474125 A CA474125 A CA 474125A
Authority
CA
Canada
Prior art keywords
concrete pipe
concrete
pipe
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
CA474125A
Other languages
French (fr)
Inventor
Charles E. Knox, Jr.
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 CA474125A publication Critical patent/CA474125A/en
Expired legal-status Critical Current

Links

CA474125A Concrete pipe Expired CA474125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA474125T

Publications (1)

Publication Number Publication Date
CA474125A true CA474125A (en) 1951-06-05

Family

ID=35608101

Family Applications (1)

Application Number Title Priority Date Filing Date
CA474125A Expired CA474125A (en) Concrete pipe

Country Status (1)

Country Link
CA (1) CA474125A (en)

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