CA269176A - Filtre de lumiere - Google Patents

Filtre de lumiere

Info

Publication number
CA269176A
CA269176A CA269176A CA269176DA CA269176A CA 269176 A CA269176 A CA 269176A CA 269176 A CA269176 A CA 269176A CA 269176D A CA269176D A CA 269176DA CA 269176 A CA269176 A CA 269176A
Authority
CA
Canada
Prior art keywords
light filter
filter
light
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
CA269176A
Other languages
English (en)
Inventor
Holub Charles
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 CA269176A publication Critical patent/CA269176A/fr
Expired legal-status Critical Current

Links

CA269176A Filtre de lumiere Expired CA269176A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA269176T

Publications (1)

Publication Number Publication Date
CA269176A true CA269176A (fr) 1927-03-22

Family

ID=35199206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA269176A Expired CA269176A (fr) Filtre de lumiere

Country Status (1)

Country Link
CA (1) CA269176A (fr)

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