CA442870A - Lampe de projection - Google Patents

Lampe de projection

Info

Publication number
CA442870A
CA442870A CA442870A CA442870DA CA442870A CA 442870 A CA442870 A CA 442870A CA 442870 A CA442870 A CA 442870A CA 442870D A CA442870D A CA 442870DA CA 442870 A CA442870 A CA 442870A
Authority
CA
Canada
Prior art keywords
projection lamp
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
CA442870A
Other languages
English (en)
Inventor
B. Noel Edward
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA442870A publication Critical patent/CA442870A/fr
Expired legal-status Critical Current

Links

CA442870A Lampe de projection Expired CA442870A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA442870T

Publications (1)

Publication Number Publication Date
CA442870A true CA442870A (fr) 1947-07-15

Family

ID=35558097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA442870A Expired CA442870A (fr) Lampe de projection

Country Status (1)

Country Link
CA (1) CA442870A (fr)

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