CA20897A - Machine a forer les puits - Google Patents

Machine a forer les puits

Info

Publication number: CA20897A
Authority: CA; Canada
Prior art keywords: boring machine; well boring; well; machine; boring
Prior art date: 1885-01-17
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

CA000020897A

Other languages

English (en)

Inventor

William E. Brown

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.)

Individual

Original Assignee

Individual

Publication date

1885-01-17

1885-01-17 Application granted granted Critical

1885-01-17 Publication of CA20897A publication Critical patent/CA20897A/fr

Status Expired legal-status Critical Current

Links

CA000020897A Machine a forer les puits Expired CA20897A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA20897T

Publications (1)

Publication Number	Publication Date
CA20897A true CA20897A (fr)	1885-01-17

Family

ID=45137440

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000020897A Expired CA20897A (fr)			Machine a forer les puits

Country Status (1)

Country	Link
CA (1)	CA20897A (fr)

0
- CA CA000020897A patent/CA20897A/fr not_active Expired

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