CA41168A - Art de creuser les puits - Google Patents

Art de creuser les puits

Info

Publication number: CA41168A
Authority: CA; Canada
Prior art keywords: art; excavating shafts; excavating; shafts
Prior art date: 1892-12-10
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

CA000041168A

Other languages

English (en)

Inventor

David Nathaniel Long

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

1892-12-10

1892-12-10 Application granted granted Critical

1892-12-10 Publication of CA41168A publication Critical patent/CA41168A/fr

Status Expired legal-status Critical Current

Links

CA000041168A Art de creuser les puits Expired CA41168A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA41168T

Publications (1)

Publication Number	Publication Date
CA41168A true CA41168A (fr)	1892-12-10

Family

ID=45157708

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000041168A Expired CA41168A (fr)			Art de creuser les puits

Country Status (1)

Country	Link
CA (1)	CA41168A (fr)

0
- CA CA000041168A patent/CA41168A/fr not_active Expired

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