CA229829A - Serre de surete de tige de foret - Google Patents

Serre de surete de tige de foret

Info

Publication number
CA229829A
CA229829A CA229829A CA229829DA CA229829A CA 229829 A CA229829 A CA 229829A CA 229829 A CA229829 A CA 229829A CA 229829D A CA229829D A CA 229829DA CA 229829 A CA229829 A CA 229829A
Authority
CA
Canada
Prior art keywords
drill rods
safety clamp
clamp
safety
drill
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
CA229829A
Other languages
English (en)
Inventor
Wilfred Morisette Napoleon
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 CA229829A publication Critical patent/CA229829A/fr
Expired legal-status Critical Current

Links

CA229829A Serre de surete de tige de foret Expired CA229829A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA229829T

Publications (1)

Publication Number Publication Date
CA229829A true CA229829A (fr) 1923-03-27

Family

ID=35127202

Family Applications (1)

Application Number Title Priority Date Filing Date
CA229829A Expired CA229829A (fr) Serre de surete de tige de foret

Country Status (1)

Country Link
CA (1) CA229829A (fr)

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