CA211217A - Obturateur de surete de projecteur cinematographique - Google Patents

Obturateur de surete de projecteur cinematographique

Info

Publication number
CA211217A
CA211217A CA211217A CA211217DA CA211217A CA 211217 A CA211217 A CA 211217A CA 211217 A CA211217 A CA 211217A CA 211217D A CA211217D A CA 211217DA CA 211217 A CA211217 A CA 211217A
Authority
CA
Canada
Prior art keywords
safety shutter
cinematograph projectors
cinematograph
projectors
shutter
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
CA211217A
Other languages
English (en)
Inventor
Henry Willman Alfred
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 CA211217A publication Critical patent/CA211217A/fr
Expired legal-status Critical Current

Links

CA211217A Obturateur de surete de projecteur cinematographique Expired CA211217A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211217T

Publications (1)

Publication Number Publication Date
CA211217A true CA211217A (fr) 1921-05-03

Family

ID=35104996

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211217A Expired CA211217A (fr) Obturateur de surete de projecteur cinematographique

Country Status (1)

Country Link
CA (1) CA211217A (fr)

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