CA210353A - Mine door - Google Patents

Mine door

Info

Publication number
CA210353A
CA210353A CA210353A CA210353DA CA210353A CA 210353 A CA210353 A CA 210353A CA 210353 A CA210353 A CA 210353A CA 210353D A CA210353D A CA 210353DA CA 210353 A CA210353 A CA 210353A
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
CA210353A
Other languages
French (fr)
Inventor
H. Payne Charles
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 CA210353A publication Critical patent/CA210353A/en
Expired legal-status Critical Current

Links

CA210353A Mine door Expired CA210353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA210353T

Publications (1)

Publication Number Publication Date
CA210353A true CA210353A (en) 1921-04-12

Family

ID=35104132

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210353A Expired CA210353A (en) Mine door

Country Status (1)

Country Link
CA (1) CA210353A (en)

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