CA401358A - Fleuret de perforatrice a roc - Google Patents

Fleuret de perforatrice a roc

Info

Publication number: CA401358A
Authority: CA; Canada
Prior art keywords: drill bit; rock drill; rock; bit; drill
Prior art date: 1941-12-09
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

CA401358A

Other languages

English (en)

Inventor

Franklin Shepherd Benjamin

Dempwolf Zimmerman Robert

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

1941-12-09

1941-12-09 Application granted granted Critical

1941-12-09 Publication of CA401358A publication Critical patent/CA401358A/fr

Status Expired legal-status Critical Current

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA401358T

Publications (1)

Publication Number	Publication Date
CA401358A true CA401358A (fr)	1941-12-09

Family

ID=35411804

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA401358A Expired CA401358A (fr)			Fleuret de perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA401358A (fr)

0
- CA CA401358A patent/CA401358A/fr not_active Expired

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