CA514109A - Tuile acoustique et procede de fabrication - Google Patents

Tuile acoustique et procede de fabrication

Info

Publication number
CA514109A
CA514109A CA514109A CA514109DA CA514109A CA 514109 A CA514109 A CA 514109A CA 514109 A CA514109 A CA 514109A CA 514109D A CA514109D A CA 514109DA CA 514109 A CA514109 A CA 514109A
Authority
CA
Canada
Prior art keywords
making same
acoustical tile
acoustical
tile
making
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
CA514109A
Other languages
English (en)
Inventor
S. Willey Grant
W. Frost Orcutt
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 CA514109A publication Critical patent/CA514109A/fr
Expired legal-status Critical Current

Links

CA514109A Tuile acoustique et procede de fabrication Expired CA514109A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA514109T

Publications (1)

Publication Number Publication Date
CA514109A true CA514109A (fr) 1955-06-28

Family

ID=35665194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA514109A Expired CA514109A (fr) Tuile acoustique et procede de fabrication

Country Status (1)

Country Link
CA (1) CA514109A (fr)

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