CA290803A - Film protecting spool - Google Patents

Film protecting spool

Info

Publication number
CA290803A
CA290803A CA290803A CA290803DA CA290803A CA 290803 A CA290803 A CA 290803A CA 290803 A CA290803 A CA 290803A CA 290803D A CA290803D A CA 290803DA CA 290803 A CA290803 A CA 290803A
Authority
CA
Canada
Prior art keywords
film protecting
spool
protecting spool
film
protecting
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
CA290803A
Other languages
French (fr)
Inventor
H. Doorbar 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.)
DU PONT PATHE FILM MANUFACTURING Corp
Original Assignee
DU PONT PATHE FILM MANUFACTURING Corp
Publication date
Application granted granted Critical
Publication of CA290803A publication Critical patent/CA290803A/en
Expired legal-status Critical Current

Links

CA290803A Film protecting spool Expired CA290803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290803T

Publications (1)

Publication Number Publication Date
CA290803A true CA290803A (en) 1929-06-25

Family

ID=35227615

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290803A Expired CA290803A (en) Film protecting spool

Country Status (1)

Country Link
CA (1) CA290803A (en)

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