CA273866A - Mandrin de foreuse a roc - Google Patents

Mandrin de foreuse a roc

Info

Publication number: CA273866A
Authority: CA; Canada
Prior art keywords: chuck; rock drills; drills; rock
Prior art date: 1927-09-13
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

CA273866A

Other languages

English (en)

Inventor

Condict Bayles Lewis

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

1927-09-13

1927-09-13 Application granted granted Critical

1927-09-13 Publication of CA273866A publication Critical patent/CA273866A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA273866A Mandrin de foreuse a roc Expired CA273866A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA273866T

Publications (1)

Publication Number	Publication Date
CA273866A true CA273866A (fr)	1927-09-13

Family

ID=35203898

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA273866A Expired CA273866A (fr)			Mandrin de foreuse a roc

Country Status (1)

Country	Link
CA (1)	CA273866A (fr)

0
- CA CA273866A patent/CA273866A/fr not_active Expired

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