CA689754A - Plastic-faced acoustical correction tile and method of making same - Google Patents

Plastic-faced acoustical correction tile and method of making same

Info

Publication number
CA689754A
CA689754A CA689754A CA689754DA CA689754A CA 689754 A CA689754 A CA 689754A CA 689754 A CA689754 A CA 689754A CA 689754D A CA689754D A CA 689754DA CA 689754 A CA689754 A CA 689754A
Authority
CA
Canada
Prior art keywords
faced
plastic
making same
acoustical correction
correction tile
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
CA689754A
Inventor
B. Schultz James
J. Schirick Robert
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.)
National Gypsum Co
Original Assignee
National Gypsum Co
Publication date
Application granted granted Critical
Publication of CA689754A publication Critical patent/CA689754A/en
Expired legal-status Critical Current

Links

CA689754A Plastic-faced acoustical correction tile and method of making same Expired CA689754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA689754T

Publications (1)

Publication Number Publication Date
CA689754A true CA689754A (en) 1964-06-30

Family

ID=35992369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA689754A Expired CA689754A (en) Plastic-faced acoustical correction tile and method of making same

Country Status (1)

Country Link
CA (1) CA689754A (en)

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