CA419764A - Compteur du temps de pose - Google Patents

Compteur du temps de pose

Info

Publication number
CA419764A
CA419764A CA419764A CA419764DA CA419764A CA 419764 A CA419764 A CA 419764A CA 419764 A CA419764 A CA 419764A CA 419764D A CA419764D A CA 419764DA CA 419764 A CA419764 A CA 419764A
Authority
CA
Canada
Prior art keywords
exposure meter
meter
exposure
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
CA419764A
Other languages
English (en)
Inventor
Bolsey Jacques
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 CA419764A publication Critical patent/CA419764A/fr
Expired legal-status Critical Current

Links

CA419764A Compteur du temps de pose Expired CA419764A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA419764T

Publications (1)

Publication Number Publication Date
CA419764A true CA419764A (fr) 1944-04-25

Family

ID=35529057

Family Applications (1)

Application Number Title Priority Date Filing Date
CA419764A Expired CA419764A (fr) Compteur du temps de pose

Country Status (1)

Country Link
CA (1) CA419764A (fr)

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