CA143172A - Photo-mechanical process - Google Patents

Photo-mechanical process

Info

Publication number
CA143172A
CA143172A CA000143172A CA143172DA CA143172A CA 143172 A CA143172 A CA 143172A CA 000143172 A CA000143172 A CA 000143172A CA 143172D A CA143172D A CA 143172DA CA 143172 A CA143172 A CA 143172A
Authority
CA
Canada
Prior art keywords
photo
mechanical process
mechanical
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
CA000143172A
Other languages
French (fr)
Inventor
Lodewyk Jan Rutger Holst
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.)
WILLIAMS BROWN AND EARLE Inc
Original Assignee
WILLIAMS BROWN AND EARLE Inc
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 WILLIAMS BROWN AND EARLE Inc filed Critical WILLIAMS BROWN AND EARLE Inc
Application granted granted Critical
Publication of CA143172A publication Critical patent/CA143172A/en
Expired legal-status Critical Current

Links

CA000143172A 1912-05-20 1912-05-20 Photo-mechanical process Expired CA143172A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA143172T 1912-05-20

Publications (1)

Publication Number Publication Date
CA143172A true CA143172A (en) 1912-10-08

Family

ID=45262887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000143172A Expired CA143172A (en) 1912-05-20 1912-05-20 Photo-mechanical process

Country Status (1)

Country Link
CA (1) CA143172A (en)

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