CA312452A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number: CA312452A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1931-06-23
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

CA312452A

Other languages

English (en)

Inventor

Asline Bedford Reginald

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

1931-06-23

1931-06-23 Application granted granted Critical

1931-06-23 Publication of CA312452A publication Critical patent/CA312452A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA312452A Perforatrice a roc Expired CA312452A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA312452T

Publications (1)

Publication Number	Publication Date
CA312452A true CA312452A (fr)	1931-06-23

Family

ID=35271778

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA312452A Expired CA312452A (fr)			Perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA312452A (fr)

0
- CA CA312452A patent/CA312452A/fr not_active Expired

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