CA340019A - Acoustical ceiling - Google Patents

Acoustical ceiling

Info

Publication number
CA340019A
CA340019A CA340019A CA340019DA CA340019A CA 340019 A CA340019 A CA 340019A CA 340019 A CA340019 A CA 340019A CA 340019D A CA340019D A CA 340019DA CA 340019 A CA340019 A CA 340019A
Authority
CA
Canada
Prior art keywords
acoustical ceiling
acoustical
ceiling
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
CA340019A
Other languages
French (fr)
Inventor
A. Heeren Arthur
E. Gibson Oliver
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.)
Canadian Gypsum Co Ltd
Original Assignee
Canadian Gypsum Co Ltd
Publication date
Application granted granted Critical
Publication of CA340019A publication Critical patent/CA340019A/en
Expired legal-status Critical Current

Links

CA340019A Acoustical ceiling Expired CA340019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA340019T

Publications (1)

Publication Number Publication Date
CA340019A true CA340019A (en) 1934-03-13

Family

ID=35303161

Family Applications (1)

Application Number Title Priority Date Filing Date
CA340019A Expired CA340019A (en) Acoustical ceiling

Country Status (1)

Country Link
CA (1) CA340019A (en)

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