CA483923A - Contacteur de mine - Google Patents

Contacteur de mine

Info

Publication number
CA483923A
CA483923A CA483923A CA483923DA CA483923A CA 483923 A CA483923 A CA 483923A CA 483923 A CA483923 A CA 483923A CA 483923D A CA483923D A CA 483923DA CA 483923 A CA483923 A CA 483923A
Authority
CA
Canada
Prior art keywords
blasting switch
blasting
switch
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
CA483923A
Other languages
English (en)
Inventor
A. Rourke Terrence
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.)
Gypsum Lime and Alabastine Canada Ltd
Original Assignee
Gypsum Lime and Alabastine Canada Ltd
Publication date
Application granted granted Critical
Publication of CA483923A publication Critical patent/CA483923A/fr
Expired legal-status Critical Current

Links

CA483923A Contacteur de mine Expired CA483923A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA483923T

Publications (1)

Publication Number Publication Date
CA483923A true CA483923A (fr) 1952-06-10

Family

ID=35623614

Family Applications (1)

Application Number Title Priority Date Filing Date
CA483923A Expired CA483923A (fr) Contacteur de mine

Country Status (1)

Country Link
CA (1) CA483923A (fr)

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