CA284179A - Acier pour forets creux - Google Patents

Acier pour forets creux

Info

Publication number
CA284179A
CA284179A CA284179A CA284179DA CA284179A CA 284179 A CA284179 A CA 284179A CA 284179 A CA284179 A CA 284179A CA 284179D A CA284179D A CA 284179DA CA 284179 A CA284179 A CA 284179A
Authority
CA
Canada
Prior art keywords
drill steel
hollow drill
hollow
steel
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
CA284179A
Other languages
English (en)
Inventor
Pryce Leslie
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 CA284179A publication Critical patent/CA284179A/fr
Expired legal-status Critical Current

Links

CA284179A Acier pour forets creux Expired CA284179A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA284179T

Publications (1)

Publication Number Publication Date
CA284179A true CA284179A (fr) 1928-10-23

Family

ID=35217270

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284179A Expired CA284179A (fr) Acier pour forets creux

Country Status (1)

Country Link
CA (1) CA284179A (fr)

Similar Documents

Publication Publication Date Title
CA284179A (fr) Acier pour forets creux
CA282493A (fr) Acier pour forets
CA301891A (fr) Acier tubulaire de perforatrice
CA306662A (fr) Fleuret creux
CA277267A (fr) Perforatrice subaquatique
CA280676A (fr) Sonde de fontainier
CA281805A (fr) Foreuse de puits
CA284477A (fr) Fleuret
CA277413A (fr) Poignee de perforatrice
CA285043A (fr) Manche de foret
CA284573A (fr) Tube de perforatrice
CA284574A (fr) Tube de perforatrice
CA279418A (fr) Meche de perceuse
CA279419A (fr) Meche de perceuse
CA280512A (fr) Fleuret de perforatrice
CA282191A (fr) Perceuse multiple
CA277649A (fr) Perforatrice a roc
CA279374A (fr) Perforatrice a roc
CA280007A (fr) Perforatrice a roc
CA280143A (fr) Outil a forer
CA278496A (fr) Outil a percussion
CA279565A (fr) Marteau
CA281552A (fr) Marteau
CA278070A (fr) Mecanisme de perceuse
CA284064A (fr) Mecanisme de perforatrice