CA36073A - Appareil de creusage des puits - Google Patents

Appareil de creusage des puits

Info

Publication number: CA36073A
Authority: CA; Canada
Prior art keywords: sinking shafts; sinking; shafts
Prior art date: 1891-03-04
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

CA000036073A

Other languages

English (en)

Inventor

Richard Pennefather Rothwell

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

1891-03-04

1891-03-04 Application granted granted Critical

1891-03-04 Publication of CA36073A publication Critical patent/CA36073A/fr

Status Expired legal-status Critical Current

Links

CA000036073A Appareil de creusage des puits Expired CA36073A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA36073T

Publications (1)

Publication Number	Publication Date
CA36073A true CA36073A (fr)	1891-03-04

Family

ID=45152613

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000036073A Expired CA36073A (fr)			Appareil de creusage des puits

Country Status (1)

Country	Link
CA (1)	CA36073A (fr)

0
- CA CA000036073A patent/CA36073A/fr not_active Expired

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