CA239488A - Controle de lumiere - Google Patents

Controle de lumiere

Info

Publication number
CA239488A
CA239488A CA239488A CA239488DA CA239488A CA 239488 A CA239488 A CA 239488A CA 239488 A CA239488 A CA 239488A CA 239488D A CA239488D A CA 239488DA CA 239488 A CA239488 A CA 239488A
Authority
CA
Canada
Prior art keywords
controlling means
light controlling
light
controlling
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
CA239488A
Other languages
English (en)
Inventor
De Forest Lee
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 CA239488A publication Critical patent/CA239488A/fr
Expired legal-status Critical Current

Links

CA239488A Controle de lumiere Expired CA239488A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA239488T

Publications (1)

Publication Number Publication Date
CA239488A true CA239488A (fr) 1924-04-22

Family

ID=35143519

Family Applications (1)

Application Number Title Priority Date Filing Date
CA239488A Expired CA239488A (fr) Controle de lumiere

Country Status (1)

Country Link
CA (1) CA239488A (fr)

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