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DK29486C - Procedure for the production of color filters for plates according to the heliochrome principle. - Google Patents

Procedure for the production of color filters for plates according to the heliochrome principle.

Info

Publication number
DK29486C
DK29486C DK29486DA DK29486C DK 29486 C DK29486 C DK 29486C DK 29486D A DK29486D A DK 29486DA DK 29486 C DK29486 C DK 29486C
Authority
DK
Denmark
Prior art keywords
heliochrome
procedure
principle
production
color filters
Prior art date
Application number
Other languages
Danish (da)
Inventor
Joseph Thomas Smith
Original Assignee
Joseph Thomas Smith
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Joseph Thomas Smith filed Critical Joseph Thomas Smith
Application granted granted Critical
Publication of DK29486C publication Critical patent/DK29486C/en

Links

DK29486D 1917-12-07 1919-05-15 Procedure for the production of color filters for plates according to the heliochrome principle. DK29486C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29486X 1917-12-07

Publications (1)

Publication Number Publication Date
DK29486C true DK29486C (en) 1922-04-18

Family

ID=9749068

Family Applications (1)

Application Number Title Priority Date Filing Date
DK29486D DK29486C (en) 1917-12-07 1919-05-15 Procedure for the production of color filters for plates according to the heliochrome principle.

Country Status (1)

Country Link
DK (1) DK29486C (en)

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