CA621673A - Building material - Google Patents

Building material

Info

Publication number
CA621673A
CA621673A CA621673A CA621673DA CA621673A CA 621673 A CA621673 A CA 621673A CA 621673 A CA621673 A CA 621673A CA 621673D A CA621673D A CA 621673DA CA 621673 A CA621673 A CA 621673A
Authority
CA
Canada
Prior art keywords
building material
building
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
CA621673A
Inventor
Harry A. Toulmin, 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.)
Commonwealth Engineering Company of Ohio
Original Assignee
Commonwealth Engineering Company of Ohio
Publication date
Application granted granted Critical
Publication of CA621673A publication Critical patent/CA621673A/en
Expired legal-status Critical Current

Links

CA621673A Building material Expired CA621673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA621673T

Publications (1)

Publication Number Publication Date
CA621673A true CA621673A (en) 1961-06-06

Family

ID=35876858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA621673A Expired CA621673A (en) Building material

Country Status (1)

Country Link
CA (1) CA621673A (en)

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