CA404183A - Commande de valve a lumiere - Google Patents

Commande de valve a lumiere

Info

Publication number
CA404183A
CA404183A CA404183A CA404183DA CA404183A CA 404183 A CA404183 A CA 404183A CA 404183 A CA404183 A CA 404183A CA 404183D A CA404183D A CA 404183DA CA 404183 A CA404183 A CA 404183A
Authority
CA
Canada
Prior art keywords
valve control
light valve
light
control
valve
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
CA404183A
Other languages
English (en)
Inventor
J. Johnson Manfred
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 CA404183A publication Critical patent/CA404183A/fr
Expired legal-status Critical Current

Links

CA404183A Commande de valve a lumiere Expired CA404183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA404183T

Publications (1)

Publication Number Publication Date
CA404183A true CA404183A (fr) 1942-04-21

Family

ID=35415481

Family Applications (1)

Application Number Title Priority Date Filing Date
CA404183A Expired CA404183A (fr) Commande de valve a lumiere

Country Status (1)

Country Link
CA (1) CA404183A (fr)

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