CA711138A - Extension drill rods - Google Patents

Extension drill rods

Info

Publication number
CA711138A
CA711138A CA711138A CA711138DA CA711138A CA 711138 A CA711138 A CA 711138A CA 711138 A CA711138 A CA 711138A CA 711138D A CA711138D A CA 711138DA CA 711138 A CA711138 A CA 711138A
Authority
CA
Canada
Prior art keywords
drill rods
extension drill
extension
rods
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
CA711138A
Inventor
G. Nelson Ivan
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.)
HARD METALS (CANADA) Ltd
Original Assignee
HARD METALS (CANADA) Ltd
Publication date
Application granted granted Critical
Publication of CA711138A publication Critical patent/CA711138A/en
Expired legal-status Critical Current

Links

CA711138A Extension drill rods Expired CA711138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA711138T

Publications (1)

Publication Number Publication Date
CA711138A true CA711138A (en) 1965-06-08

Family

ID=36040418

Family Applications (1)

Application Number Title Priority Date Filing Date
CA711138A Expired CA711138A (en) Extension drill rods

Country Status (1)

Country Link
CA (1) CA711138A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604728A (en) * 1969-01-03 1971-09-14 Blass Symcha Drip level irrigation
US3992045A (en) * 1975-02-03 1976-11-16 Rev-O-Pak, Inc. Means for coupling and sealing membrane carrying tube sections
USRE29546E (en) * 1969-01-03 1978-02-21 Ishajahu Blass Drip level irrigation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604728A (en) * 1969-01-03 1971-09-14 Blass Symcha Drip level irrigation
USRE29546E (en) * 1969-01-03 1978-02-21 Ishajahu Blass Drip level irrigation
US3992045A (en) * 1975-02-03 1976-11-16 Rev-O-Pak, Inc. Means for coupling and sealing membrane carrying tube sections

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