CA659308A - Mining shield - Google Patents

Mining shield

Info

Publication number
CA659308A
CA659308A CA659308A CA659308DA CA659308A CA 659308 A CA659308 A CA 659308A CA 659308 A CA659308 A CA 659308A CA 659308D A CA659308D A CA 659308DA CA 659308 A CA659308 A CA 659308A
Authority
CA
Canada
Prior art keywords
mining shield
mining
shield
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
CA659308A
Inventor
D. Joseph Roy
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 CA659308A publication Critical patent/CA659308A/en
Expired legal-status Critical Current

Links

CA659308A Mining shield Expired CA659308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA659308T

Publications (1)

Publication Number Publication Date
CA659308A true CA659308A (en) 1963-03-12

Family

ID=35952654

Family Applications (1)

Application Number Title Priority Date Filing Date
CA659308A Expired CA659308A (en) Mining shield

Country Status (1)

Country Link
CA (1) CA659308A (en)

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