CA520243A - Production de pellicules a l'epreuve de l'humidite - Google Patents

Production de pellicules a l'epreuve de l'humidite

Info

Publication number
CA520243A
CA520243A CA520243A CA520243DA CA520243A CA 520243 A CA520243 A CA 520243A CA 520243 A CA520243 A CA 520243A CA 520243D A CA520243D A CA 520243DA CA 520243 A CA520243 A CA 520243A
Authority
CA
Canada
Prior art keywords
moisture
production
proof films
proof
films
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
CA520243A
Other languages
English (en)
Inventor
Berry William
R. Oswin Charles
Boyd John
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.)
British Cellophane Ltd
Original Assignee
British Cellophane Ltd
Publication date
Application granted granted Critical
Publication of CA520243A publication Critical patent/CA520243A/fr
Expired legal-status Critical Current

Links

CA520243A Production de pellicules a l'epreuve de l'humidite Expired CA520243A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA520243T

Publications (1)

Publication Number Publication Date
CA520243A true CA520243A (fr) 1956-01-03

Family

ID=35673458

Family Applications (1)

Application Number Title Priority Date Filing Date
CA520243A Expired CA520243A (fr) Production de pellicules a l'epreuve de l'humidite

Country Status (1)

Country Link
CA (1) CA520243A (fr)

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