CA340020A - Plafond acoustique - Google Patents

Plafond acoustique

Info

Publication number
CA340020A
CA340020A CA340020A CA340020DA CA340020A CA 340020 A CA340020 A CA 340020A CA 340020 A CA340020 A CA 340020A CA 340020D A CA340020D A CA 340020DA CA 340020 A CA340020 A CA 340020A
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
CA340020A
Other languages
English (en)
Inventor
E. Gibson Oliver
A. Heeren Arthur
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 CA340020A publication Critical patent/CA340020A/fr
Expired legal-status Critical Current

Links

CA340020A Plafond acoustique Expired CA340020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA340020T

Publications (1)

Publication Number Publication Date
CA340020A true CA340020A (fr) 1934-03-13

Family

ID=35303162

Family Applications (1)

Application Number Title Priority Date Filing Date
CA340020A Expired CA340020A (fr) Plafond acoustique

Country Status (1)

Country Link
CA (1) CA340020A (fr)

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