CA455196A - Marteau-perforateur au rocher - Google Patents

Marteau-perforateur au rocher

Info

Publication number
CA455196A
CA455196A CA455196A CA455196DA CA455196A CA 455196 A CA455196 A CA 455196A CA 455196 A CA455196 A CA 455196A CA 455196D A CA455196D A CA 455196DA CA 455196 A CA455196 A CA 455196A
Authority
CA
Canada
Prior art keywords
rock drill
drill
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
CA455196A
Other languages
English (en)
Inventor
Clark Curtis John
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA455196A publication Critical patent/CA455196A/fr
Expired legal-status Critical Current

Links

CA455196A Marteau-perforateur au rocher Expired CA455196A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA455196T

Publications (1)

Publication Number Publication Date
CA455196A true CA455196A (fr) 1949-03-15

Family

ID=35572935

Family Applications (1)

Application Number Title Priority Date Filing Date
CA455196A Expired CA455196A (fr) Marteau-perforateur au rocher

Country Status (1)

Country Link
CA (1) CA455196A (fr)

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