CA142106A - Mecanisme de foret a roc - Google Patents

Mecanisme de foret a roc

Info

Publication number
CA142106A
CA142106A CA000142106A CA142106DA CA142106A CA 142106 A CA142106 A CA 142106A CA 000142106 A CA000142106 A CA 000142106A CA 142106D A CA142106D A CA 142106DA CA 142106 A CA142106 A CA 142106A
Authority
CA
Canada
Prior art keywords
rock drill
drill mechanism
rock
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
CA000142106A
Other languages
English (en)
Inventor
F. Bolling
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.)
DIE CHEMISCH ELEKTRISCHE FABRIC PROMETHEUS
Original Assignee
DIE CHEMISCH ELEKTRISCHE FABRIC PROMETHEUS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DIE CHEMISCH ELEKTRISCHE FABRIC PROMETHEUS filed Critical DIE CHEMISCH ELEKTRISCHE FABRIC PROMETHEUS
Application granted granted Critical
Publication of CA142106A publication Critical patent/CA142106A/fr
Expired legal-status Critical Current

Links

CA000142106A 1911-08-17 1911-08-17 Mecanisme de foret a roc Expired CA142106A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA142106T 1911-08-17

Publications (1)

Publication Number Publication Date
CA142106A true CA142106A (fr) 1912-08-06

Family

ID=45261821

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000142106A Expired CA142106A (fr) 1911-08-17 1911-08-17 Mecanisme de foret a roc

Country Status (1)

Country Link
CA (1) CA142106A (fr)

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