CA38906A - Mandrin pour foret de mine - Google Patents

Mandrin pour foret de mine

Info

Publication number: CA38906A
Authority: CA; Canada
Prior art keywords: chuck; rock drills; drills; rock
Prior art date: 1892-05-09
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

CA000038906A

Other languages

English (en)

Inventor

Frederic Arthur Halsey

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.)

CANADIAN RAND DRILL Co

Original Assignee

CANADIAN RAND DRILL Co

Publication date

1892-05-09

1892-05-09 Application granted granted Critical

1892-05-09 Publication of CA38906A publication Critical patent/CA38906A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA000038906A Mandrin pour foret de mine Expired CA38906A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA38906T

Publications (1)

Publication Number	Publication Date
CA38906A true CA38906A (fr)	1892-05-09

Family

ID=45155446

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000038906A Expired CA38906A (fr)			Mandrin pour foret de mine

Country Status (1)

Country	Link
CA (1)	CA38906A (fr)

0
- CA CA000038906A patent/CA38906A/fr not_active Expired

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