CA518328A - Outils de perforation au rocher - Google Patents

Outils de perforation au rocher

Info

Publication number
CA518328A
CA518328A CA518328A CA518328DA CA518328A CA 518328 A CA518328 A CA 518328A CA 518328 A CA518328 A CA 518328A CA 518328D A CA518328D A CA 518328DA CA 518328 A CA518328 A CA 518328A
Authority
CA
Canada
Prior art keywords
rock drilling
drilling tools
tools
rock
drilling
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
CA518328A
Other languages
English (en)
Inventor
Liddicoat Percill
Original Assignee
THOMPSON PRODUCTS
Publication date
Application granted granted Critical
Publication of CA518328A publication Critical patent/CA518328A/fr
Expired legal-status Critical Current

Links

CA518328A Outils de perforation au rocher Expired CA518328A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA518328T

Publications (1)

Publication Number Publication Date
CA518328A true CA518328A (fr) 1955-11-08

Family

ID=35671530

Family Applications (1)

Application Number Title Priority Date Filing Date
CA518328A Expired CA518328A (fr) Outils de perforation au rocher

Country Status (1)

Country Link
CA (1) CA518328A (fr)

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