CA294524A - Retenue d'outil d'acier de perforatrice - Google Patents

Retenue d'outil d'acier de perforatrice

Info

Publication number: CA294524A
Authority: CA; Canada
Prior art keywords: rock drill; drill steel; steel retainer; retainer; rock
Prior art date: 1929-11-05
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

CA294524A

Other languages

English (en)

Inventor

Christopher Hansen Charles

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.)

Ingersoll Rand Co

Original Assignee

Ingersoll Rand Co

Publication date

1929-11-05

1929-11-05 Application granted granted Critical

1929-11-05 Publication of CA294524A publication Critical patent/CA294524A/fr

Status Expired legal-status Critical Current

Links

229910000831 Steel Inorganic materials 0.000 title 1
239000011435 rock Substances 0.000 title 1
239000010959 steel Substances 0.000 title 1

CA294524A Retenue d'outil d'acier de perforatrice Expired CA294524A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA294524T

Publications (1)

Publication Number	Publication Date
CA294524A true CA294524A (fr)	1929-11-05

Family

ID=35231842

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA294524A Expired CA294524A (fr)			Retenue d'outil d'acier de perforatrice

Country Status (1)

Country	Link
CA (1)	CA294524A (fr)

0
- CA CA294524A patent/CA294524A/fr not_active Expired

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