CA216182A - Perforatrice de mine - Google Patents

Perforatrice de mine

Info

Publication number: CA216182A
Authority: CA; Canada
Prior art keywords: mining; quarrying device; quarrying
Prior art date: 1922-02-28
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

CA216182A

Other languages

English (en)

Inventor

S. Oldroyd Cyrus

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

1922-02-28

1922-02-28 Application granted granted Critical

1922-02-28 Publication of CA216182A publication Critical patent/CA216182A/fr

Status Expired legal-status Critical Current

Links

238000005065 mining Methods 0.000 title 1

CA216182A Perforatrice de mine Expired CA216182A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA216182T

Publications (1)

Publication Number	Publication Date
CA216182A true CA216182A (fr)	1922-02-28

Family

ID=35110626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA216182A Expired CA216182A (fr)			Perforatrice de mine

Country Status (1)

Country	Link
CA (1)	CA216182A (fr)

0
- CA CA216182A patent/CA216182A/fr not_active Expired

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