CA53225A - Appareil d'alimentation de surete pour forets de mines - Google Patents

Appareil d'alimentation de surete pour forets de mines

Info

Publication number
CA53225A
CA53225A CA000053225A CA53225DA CA53225A CA 53225 A CA53225 A CA 53225A CA 000053225 A CA000053225 A CA 000053225A CA 53225D A CA53225D A CA 53225DA CA 53225 A CA53225 A CA 53225A
Authority
CA
Canada
Prior art keywords
rock drilling
feeding devices
rotary feeding
safety rotary
drilling engines
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
CA000053225A
Other languages
English (en)
Inventor
John George Leyner
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA53225A publication Critical patent/CA53225A/fr
Expired legal-status Critical Current

Links

CA000053225A 1896-07-27 1896-07-27 Appareil d'alimentation de surete pour forets de mines Expired CA53225A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA53225T 1896-07-27

Publications (1)

Publication Number Publication Date
CA53225A true CA53225A (fr) 1896-08-12

Family

ID=45169764

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000053225A Expired CA53225A (fr) 1896-07-27 1896-07-27 Appareil d'alimentation de surete pour forets de mines

Country Status (1)

Country Link
CA (1) CA53225A (fr)

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