CA773952A - Percussive drill bits - Google Patents

Percussive drill bits

Info

Publication number
CA773952A
CA773952A CA773952A CA773952DA CA773952A CA 773952 A CA773952 A CA 773952A CA 773952 A CA773952 A CA 773952A CA 773952D A CA773952D A CA 773952DA CA 773952 A CA773952 A CA 773952A
Authority
CA
Canada
Prior art keywords
drill bits
percussive drill
percussive
bits
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
CA773952A
Inventor
J. Clemmow Raymond
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.)
Padley and Venables Ltd
Original Assignee
Padley and Venables Ltd
Publication date
Application granted granted Critical
Publication of CA773952A publication Critical patent/CA773952A/en
Expired legal-status Critical Current

Links

CA773952A Percussive drill bits Expired CA773952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA773952T

Publications (1)

Publication Number Publication Date
CA773952A true CA773952A (en) 1967-12-19

Family

ID=36221236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA773952A Expired CA773952A (en) Percussive drill bits

Country Status (1)

Country Link
CA (1) CA773952A (en)

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