CA597980A - Mine door - Google Patents

Mine door

Info

Publication number
CA597980A
CA597980A CA597980A CA597980DA CA597980A CA 597980 A CA597980 A CA 597980A CA 597980 A CA597980 A CA 597980A CA 597980D A CA597980D A CA 597980DA CA 597980 A CA597980 A CA 597980A
Authority
CA
Canada
Prior art keywords
mine door
mine
door
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
CA597980A
Inventor
H. Hilton James
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 CA597980A publication Critical patent/CA597980A/en
Expired legal-status Critical Current

Links

CA597980A Mine door Expired CA597980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA597980T

Publications (1)

Publication Number Publication Date
CA597980A true CA597980A (en) 1960-05-17

Family

ID=35813753

Family Applications (1)

Application Number Title Priority Date Filing Date
CA597980A Expired CA597980A (en) Mine door

Country Status (1)

Country Link
CA (1) CA597980A (en)

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