CA209455A - Fabrication de disques de phonographes - Google Patents

Fabrication de disques de phonographes

Info

Publication number: CA209455A
Authority: CA; Canada
Prior art keywords: manufacture; recording blanks; blanks; recording
Prior art date: 1921-03-15
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

CA209455A

Other languages

English (en)

Inventor

Kramer Erwin

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.)

Individual

Original Assignee

Individual

Publication date

1921-03-15

1921-03-15 Application granted granted Critical

1921-03-15 Publication of CA209455A publication Critical patent/CA209455A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1

CA209455A Fabrication de disques de phonographes Expired CA209455A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA209455T

Publications (1)

Publication Number	Publication Date
CA209455A true CA209455A (fr)	1921-03-15

Family

ID=35103234

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA209455A Expired CA209455A (fr)			Fabrication de disques de phonographes

Country Status (1)

Country	Link
CA (1)	CA209455A (fr)

0
- CA CA209455A patent/CA209455A/fr not_active Expired

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