CA319944A - Fabrication de barres creuses en acier a fleurets - Google Patents

Fabrication de barres creuses en acier a fleurets

Info

Publication number
CA319944A
CA319944A CA319944A CA319944DA CA319944A CA 319944 A CA319944 A CA 319944A CA 319944 A CA319944 A CA 319944A CA 319944D A CA319944D A CA 319944DA CA 319944 A CA319944 A CA 319944A
Authority
CA
Canada
Prior art keywords
steel bar
drill steel
hollow drill
bar manufacture
manufacture
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
CA319944A
Other languages
English (en)
Inventor
Henry Davis Roy
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.)
Atlas Steels Ltd
Original Assignee
Atlas Steels Ltd
Publication date
Application granted granted Critical
Publication of CA319944A publication Critical patent/CA319944A/fr
Expired legal-status Critical Current

Links

CA319944A Fabrication de barres creuses en acier a fleurets Expired CA319944A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA319944T

Publications (1)

Publication Number Publication Date
CA319944A true CA319944A (fr) 1932-02-23

Family

ID=35280499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319944A Expired CA319944A (fr) Fabrication de barres creuses en acier a fleurets

Country Status (1)

Country Link
CA (1) CA319944A (fr)

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