CA312439A - Dispositif a copies au carbone - Google Patents

Dispositif a copies au carbone

Info

Publication number: CA312439A
Authority: CA; Canada
Prior art keywords: copy device; carbon copy; manifold; manifold carbon; copy
Prior art date: 1931-06-16
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

CA312439A

Other languages

English (en)

Inventor

H. Sargent George

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.)

CRAIN PRINTERS

Original Assignee

CRAIN PRINTERS

Publication date

1931-06-16

1931-06-16 Application granted granted Critical

1931-06-16 Publication of CA312439A publication Critical patent/CA312439A/fr

Status Expired legal-status Critical Current

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
229910052799 carbon Inorganic materials 0.000 title 1

CA312439A Dispositif a copies au carbone Expired CA312439A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA312439T

Publications (1)

Publication Number	Publication Date
CA312439A true CA312439A (fr)	1931-06-16

Family

ID=35271765

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA312439A Expired CA312439A (fr)			Dispositif a copies au carbone

Country Status (1)

Country	Link
CA (1)	CA312439A (fr)

0
- CA CA312439A patent/CA312439A/fr not_active Expired

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