CA331380A - Mur ou plafond acoustique - Google Patents

Mur ou plafond acoustique

Info

Publication number
CA331380A
CA331380A CA331380A CA331380DA CA331380A CA 331380 A CA331380 A CA 331380A CA 331380 A CA331380 A CA 331380A CA 331380D A CA331380D A CA 331380DA CA 331380 A CA331380 A CA 331380A
Authority
CA
Canada
Prior art keywords
ceiling
acoustical wall
acoustical
wall
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
CA331380A
Other languages
English (en)
Inventor
E. Clark Bernard
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA331380A publication Critical patent/CA331380A/fr
Expired legal-status Critical Current

Links

CA331380A Mur ou plafond acoustique Expired CA331380A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA331380T

Publications (1)

Publication Number Publication Date
CA331380A true CA331380A (fr) 1933-04-04

Family

ID=35293750

Family Applications (1)

Application Number Title Priority Date Filing Date
CA331380A Expired CA331380A (fr) Mur ou plafond acoustique

Country Status (1)

Country Link
CA (1) CA331380A (fr)

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