CA403225A - Poussoir de perforatrice a roc - Google Patents

Poussoir de perforatrice a roc

Info

Publication number: CA403225A
Authority: CA; Canada
Prior art keywords: rock drill; tappet; drill tappet; rock; drill
Prior art date: 1942-03-03
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

CA403225A

Other languages

English (en)

Inventor

C. Huffman Mervin

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.)

Gardner Denver Inc

Original Assignee

Gardner Denver Inc

Publication date

1942-03-03

1942-03-03 Application granted granted Critical

1942-03-03 Publication of CA403225A publication Critical patent/CA403225A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA403225A Poussoir de perforatrice a roc Expired CA403225A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA403225T

Publications (1)

Publication Number	Publication Date
CA403225A true CA403225A (fr)	1942-03-03

Family

ID=35413673

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA403225A Expired CA403225A (fr)			Poussoir de perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA403225A (fr)

0
- CA CA403225A patent/CA403225A/fr not_active Expired

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