CA470339A - Methodes de fabrication de matrices d'expulsion - Google Patents

Methodes de fabrication de matrices d'expulsion

Info

Publication number
CA470339A
CA470339A CA470339A CA470339DA CA470339A CA 470339 A CA470339 A CA 470339A CA 470339 A CA470339 A CA 470339A CA 470339D A CA470339D A CA 470339DA CA 470339 A CA470339 A CA 470339A
Authority
CA
Canada
Prior art keywords
making
methods
heading dies
heading
dies
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
CA470339A
Other languages
English (en)
Inventor
B. Duncan Hershel
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA470339A publication Critical patent/CA470339A/fr
Expired legal-status Critical Current

Links

CA470339A Methodes de fabrication de matrices d'expulsion Expired CA470339A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA470339T

Publications (1)

Publication Number Publication Date
CA470339A true CA470339A (fr) 1950-12-26

Family

ID=35604280

Family Applications (1)

Application Number Title Priority Date Filing Date
CA470339A Expired CA470339A (fr) Methodes de fabrication de matrices d'expulsion

Country Status (1)

Country Link
CA (1) CA470339A (fr)

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