CA357074A - Filtre de la lumiere - Google Patents

Filtre de la lumiere

Info

Publication number
CA357074A
CA357074A CA357074A CA357074DA CA357074A CA 357074 A CA357074 A CA 357074A CA 357074 A CA357074 A CA 357074A CA 357074D A CA357074D A CA 357074DA CA 357074 A CA357074 A CA 357074A
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
CA357074A
Other languages
English (en)
Inventor
Long Bernard
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.)
Compagnie de Saint Gobain SA
Original Assignee
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
Publication date
Application granted granted Critical
Publication of CA357074A publication Critical patent/CA357074A/fr
Expired legal-status Critical Current

Links

CA357074A Filtre de la lumiere Expired CA357074A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA357074T

Publications (1)

Publication Number Publication Date
CA357074A true CA357074A (fr) 1936-04-07

Family

ID=35356414

Family Applications (1)

Application Number Title Priority Date Filing Date
CA357074A Expired CA357074A (fr) Filtre de la lumiere

Country Status (1)

Country Link
CA (1) CA357074A (fr)

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