CA529083A - Perforatrices - Google Patents

Perforatrices

Info

Publication number
CA529083A
CA529083A CA529083A CA529083DA CA529083A CA 529083 A CA529083 A CA 529083A CA 529083 A CA529083 A CA 529083A CA 529083D A CA529083D A CA 529083DA CA 529083 A CA529083 A CA 529083A
Authority
CA
Canada
Prior art keywords
rock drills
drills
rock
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
CA529083A
Other languages
English (en)
Inventor
Brown-Coombes Frank
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.)
Holman Brothers Ltd
Original Assignee
Holman Brothers Ltd
Publication date
Application granted granted Critical
Publication of CA529083A publication Critical patent/CA529083A/fr
Expired legal-status Critical Current

Links

CA529083A Perforatrices Expired CA529083A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA529083T

Publications (1)

Publication Number Publication Date
CA529083A true CA529083A (fr) 1956-08-14

Family

ID=35682828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA529083A Expired CA529083A (fr) Perforatrices

Country Status (1)

Country Link
CA (1) CA529083A (fr)

Similar Documents

Publication Publication Date Title
CA538218A (fr) Perceuse
CA533554A (fr) Perforatrices
CA529083A (fr) Perforatrices
CA531194A (fr) Foreuse
CA523147A (fr) Foreuse
CA522017A (fr) Foret de puits
CA531507A (fr) Perforateur de puits
CA534062A (fr) Sonde de puits
CA526331A (fr) Outil de forage
AU207694B2 (en) Improved drill
CA520891A (fr) Foret a percussion
CA520989A (fr) Outil a percussion
CA528679A (fr) Outil de forage de puits
CA526245A (fr) Marteau-perforateur
CA530705A (fr) Outil de forage au rocher
CA529559A (fr) Perfectionnements dans les supports de perforateurs
AU1723056A (en) Improved drill
CA526972A (fr) Boue de forage
CA528011A (fr) Fabrication d'aciers pour perforateurs au rocher
CA528266A (fr) Composition pour le forage de puits
CA533253A (fr) Fleuret enlevable de perforateur au rocher
CA542010A (fr) Perforatrice
CA542735A (fr) Perforateur de puits
CA526038A (fr) Dispositif a sonder la terre
CA524858A (fr) Structure portative de sondage de puits