CA424499A - Initiateur electrique de mine - Google Patents

Initiateur electrique de mine

Info

Publication number
CA424499A
CA424499A CA424499A CA424499DA CA424499A CA 424499 A CA424499 A CA 424499A CA 424499 A CA424499 A CA 424499A CA 424499D A CA424499D A CA 424499DA CA 424499 A CA424499 A CA 424499A
Authority
CA
Canada
Prior art keywords
electric blasting
blasting initiator
initiator
electric
blasting
Prior art date
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
CA424499A
Other languages
English (en)
Inventor
Roswell Nydegger Roland
Hardt English Myrle
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
Application granted granted Critical
Publication of CA424499A publication Critical patent/CA424499A/fr
Expired legal-status Critical Current

Links

CA424499A Initiateur electrique de mine Expired CA424499A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424499T

Publications (1)

Publication Number Publication Date
CA424499A true CA424499A (fr) 1944-12-19

Family

ID=35535514

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424499A Expired CA424499A (fr) Initiateur electrique de mine

Country Status (1)

Country Link
CA (1) CA424499A (fr)

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