CA483138A - Rouleaux d'expansion et de retrait - Google Patents

Rouleaux d'expansion et de retrait

Info

Publication number
CA483138A
CA483138A CA483138A CA483138DA CA483138A CA 483138 A CA483138 A CA 483138A CA 483138 A CA483138 A CA 483138A CA 483138D A CA483138D A CA 483138DA CA 483138 A CA483138 A CA 483138A
Authority
CA
Canada
Prior art keywords
contractor
expander
rolls
contractor rolls
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
CA483138A
Other languages
English (en)
Inventor
D. Robertson 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA483138A publication Critical patent/CA483138A/fr
Expired legal-status Critical Current

Links

CA483138A Rouleaux d'expansion et de retrait Expired CA483138A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA483138T

Publications (1)

Publication Number Publication Date
CA483138A true CA483138A (fr) 1952-05-13

Family

ID=35622827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA483138A Expired CA483138A (fr) Rouleaux d'expansion et de retrait

Country Status (1)

Country Link
CA (1) CA483138A (fr)

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