CA372125A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number: CA372125A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1938-03-01
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

CA372125A

Other languages

English (en)

Inventor

C. Rea Walter

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.)

DETACHABLE BIT Co

Flannery Bolt Co

Original Assignee

DETACHABLE BIT Co

Flannery Bolt Co

Publication date

1938-03-01

1938-03-01 Application granted granted Critical

1938-03-01 Publication of CA372125A publication Critical patent/CA372125A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA372125A Perforatrice a roc Expired CA372125A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA372125T

Publications (1)

Publication Number	Publication Date
CA372125A true CA372125A (fr)	1938-03-01

Family

ID=35373190

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA372125A Expired CA372125A (fr)			Perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA372125A (fr)

0
- CA CA372125A patent/CA372125A/fr not_active Expired

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