CA447560A - Photochromie - Google Patents

Photochromie

Info

Publication number
CA447560A
CA447560A CA447560A CA447560DA CA447560A CA 447560 A CA447560 A CA 447560A CA 447560 A CA447560 A CA 447560A CA 447560D A CA447560D A CA 447560DA CA 447560 A CA447560 A CA 447560A
Authority
CA
Canada
Prior art keywords
colour photography
photography
colour
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
CA447560A
Other languages
English (en)
Inventor
Bavley Abraham
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
Publication date
Application granted granted Critical
Publication of CA447560A publication Critical patent/CA447560A/fr
Expired legal-status Critical Current

Links

CA447560A Photochromie Expired CA447560A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447560T

Publications (1)

Publication Number Publication Date
CA447560A true CA447560A (fr) 1948-03-30

Family

ID=35565241

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447560A Expired CA447560A (fr) Photochromie

Country Status (1)

Country Link
CA (1) CA447560A (fr)

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