CA232003A - Dispositif de surete de cage de mine - Google Patents

Dispositif de surete de cage de mine

Info

Publication number: CA232003A
Authority: CA; Canada
Prior art keywords: safety device; mine cage; cage safety; mine; safety
Prior art date: 1923-06-19
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

CA232003A

Other languages

English (en)

Inventor

Frances Little Leonard

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

1923-06-19

1923-06-19 Application granted granted Critical

1923-06-19 Publication of CA232003A publication Critical patent/CA232003A/fr

Status Expired legal-status Critical Current

Links

CA232003A Dispositif de surete de cage de mine Expired CA232003A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA232003T

Publications (1)

Publication Number	Publication Date
CA232003A true CA232003A (fr)	1923-06-19

Family

ID=35129375

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA232003A Expired CA232003A (fr)			Dispositif de surete de cage de mine

Country Status (1)

Country	Link
CA (1)	CA232003A (fr)

0
- CA CA232003A patent/CA232003A/fr not_active Expired

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