CA548991A - Appareil d'avance de pellicule tubulaire - Google Patents

Appareil d'avance de pellicule tubulaire

Info

Publication number: CA548991A
Authority: CA; Canada
Prior art keywords: tubular film; advancer; film advancer; tubular; film
Prior art date: 1957-11-19
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

CA548991A

Other languages

English (en)

Inventor

Robert A. Covington, Jr.

H. Waldin Vincent

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.)

EIDP Inc

Original Assignee

EI Du Pont de Nemours and Co

Publication date

1957-11-19

1957-11-19 Application granted granted Critical

1957-11-19 Publication of CA548991A publication Critical patent/CA548991A/fr

Status Expired legal-status Critical Current

Links

CA548991A Appareil d'avance de pellicule tubulaire Expired CA548991A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA548991T

Publications (1)

Publication Number	Publication Date
CA548991A true CA548991A (fr)	1957-11-19

Family

ID=35710364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA548991A Expired CA548991A (fr)			Appareil d'avance de pellicule tubulaire

Country Status (1)

Country	Link
CA (1)	CA548991A (fr)

0
- CA CA548991A patent/CA548991A/fr not_active Expired

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