CA493820A - Capsule electrique de mine a delai de courte periode - Google Patents

Capsule electrique de mine a delai de courte periode

Info

Publication number: CA493820A
Authority: CA; Canada
Prior art keywords: short period; blasting cap; period delay; electric blasting; delay electric
Prior art date: 1953-06-23
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

CA493820A

Other languages

English (en)

Inventor

M. Kerr Hugh

R. L. Hall Cecil

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.)

PPG Architectural Coatings Canada Inc

Original Assignee

Canadian Industries Ltd

Publication date

1953-06-23

1953-06-23 Application granted granted Critical

1953-06-23 Publication of CA493820A publication Critical patent/CA493820A/fr

Status Expired legal-status Critical Current

Links

238000005422 blasting Methods 0.000 title 1

CA493820A Capsule electrique de mine a delai de courte periode Expired CA493820A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA493820T

Publications (1)

Publication Number	Publication Date
CA493820A true CA493820A (fr)	1953-06-23

Family

ID=35639211

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA493820A Expired CA493820A (fr)			Capsule electrique de mine a delai de courte periode

Country Status (1)

Country	Link
CA (1)	CA493820A (fr)

0
- CA CA493820A patent/CA493820A/fr not_active Expired

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