CA44689A - Foret de mine - Google Patents

Foret de mine

Info

Publication number: CA44689A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1893-11-12
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

CA000044689A

Other languages

English (en)

Inventor

Carl Hoffmann

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

Publication date

1893-11-12

1893-11-12 Application granted granted Critical

1893-11-12 Publication of CA44689A publication Critical patent/CA44689A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA000044689A Foret de mine Expired CA44689A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA44689T

Publications (1)

Publication Number	Publication Date
CA44689A true CA44689A (fr)	1893-11-12

Family

ID=45161229

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000044689A Expired CA44689A (fr)			Foret de mine

Country Status (1)

Country	Link
CA (1)	CA44689A (fr)

0
- CA CA000044689A patent/CA44689A/fr not_active Expired

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