CA411008A - Production de photo-copies bleues - Google Patents

Production de photo-copies bleues

Info

Publication number: CA411008A
Authority: CA; Canada
Prior art keywords: blue; print production; print; production
Prior art date: 1943-03-09
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

CA411008A

Other languages

English (en)

Inventor

Holden John

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.)

Keuffel and Esser Co

Original Assignee

Keuffel and Esser Co

Publication date

1943-03-09

1943-03-09 Application granted granted Critical

1943-03-09 Publication of CA411008A publication Critical patent/CA411008A/fr

Status Expired legal-status Critical Current

Links

CA411008A Production de photo-copies bleues Expired CA411008A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA411008T

Publications (1)

Publication Number	Publication Date
CA411008A true CA411008A (fr)	1943-03-09

Family

ID=35422310

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA411008A Expired CA411008A (fr)			Production de photo-copies bleues

Country Status (1)

Country	Link
CA (1)	CA411008A (fr)

0
- CA CA411008A patent/CA411008A/fr not_active Expired

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