CA490949A - Apparatus for manufacturing prestressed concrete structural units - Google Patents

Apparatus for manufacturing prestressed concrete structural units

Info

Publication number
CA490949A
CA490949A CA490949A CA490949DA CA490949A CA 490949 A CA490949 A CA 490949A CA 490949 A CA490949 A CA 490949A CA 490949D A CA490949D A CA 490949DA CA 490949 A CA490949 A CA 490949A
Authority
CA
Canada
Prior art keywords
structural units
prestressed concrete
concrete structural
manufacturing prestressed
manufacturing
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
CA490949A
Other languages
French (fr)
Inventor
P. Petersen Robert
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.)
Concrete Products Co
Original Assignee
Concrete Products Co
Publication date
Application granted granted Critical
Publication of CA490949A publication Critical patent/CA490949A/en
Expired legal-status Critical Current

Links

CA490949A Apparatus for manufacturing prestressed concrete structural units Expired CA490949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA490949T

Publications (1)

Publication Number Publication Date
CA490949A true CA490949A (en) 1953-03-03

Family

ID=35630687

Family Applications (1)

Application Number Title Priority Date Filing Date
CA490949A Expired CA490949A (en) Apparatus for manufacturing prestressed concrete structural units

Country Status (1)

Country Link
CA (1) CA490949A (en)

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