CA380479A - Capsule electrique a retard du sautage de mine - Google Patents

Capsule electrique a retard du sautage de mine

Info

Publication number
CA380479A
CA380479A CA380479A CA380479DA CA380479A CA 380479 A CA380479 A CA 380479A CA 380479 A CA380479 A CA 380479A CA 380479D A CA380479D A CA 380479DA CA 380479 A CA380479 A CA 380479A
Authority
CA
Canada
Prior art keywords
blasting cap
electric blasting
delay electric
delay
cap
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
CA380479A
Other languages
English (en)
Inventor
Joseph Hanley Edward
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
Application granted granted Critical
Publication of CA380479A publication Critical patent/CA380479A/fr
Expired legal-status Critical Current

Links

CA380479A Capsule electrique a retard du sautage de mine Expired CA380479A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA380479T

Publications (1)

Publication Number Publication Date
CA380479A true CA380479A (fr) 1939-04-04

Family

ID=35384804

Family Applications (1)

Application Number Title Priority Date Filing Date
CA380479A Expired CA380479A (fr) Capsule electrique a retard du sautage de mine

Country Status (1)

Country Link
CA (1) CA380479A (fr)

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