CA522700A - Lampe electrique de projection - Google Patents

Lampe electrique de projection

Info

Publication number
CA522700A
CA522700A CA522700A CA522700DA CA522700A CA 522700 A CA522700 A CA 522700A CA 522700 A CA522700 A CA 522700A CA 522700D A CA522700D A CA 522700DA CA 522700 A CA522700 A CA 522700A
Authority
CA
Canada
Prior art keywords
projection lamp
electric projection
electric
lamp
projection
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
CA522700A
Other languages
English (en)
Inventor
Dexter P. Cooper, Jr.
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
Publication date
Application granted granted Critical
Publication of CA522700A publication Critical patent/CA522700A/fr
Expired legal-status Critical Current

Links

CA522700A Lampe electrique de projection Expired CA522700A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA522700T

Publications (1)

Publication Number Publication Date
CA522700A true CA522700A (fr) 1956-03-13

Family

ID=35675934

Family Applications (1)

Application Number Title Priority Date Filing Date
CA522700A Expired CA522700A (fr) Lampe electrique de projection

Country Status (1)

Country Link
CA (1) CA522700A (fr)

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