CA197190A - Porte de mine - Google Patents

Porte de mine

Info

Publication number
CA197190A
CA197190A CA197190A CA197190DA CA197190A CA 197190 A CA197190 A CA 197190A CA 197190 A CA197190 A CA 197190A CA 197190D A CA197190D A CA 197190DA CA 197190 A CA197190 A CA 197190A
Authority
CA
Canada
Prior art keywords
mine gate
mine
gate
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
CA197190A
Other languages
English (en)
Inventor
W. Warman Samuel
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.)
CHARLES OPPERMAN
REUBEN M PRY
Original Assignee
CHARLES OPPERMAN
REUBEN M PRY
Publication date
Application granted granted Critical
Publication of CA197190A publication Critical patent/CA197190A/fr
Expired legal-status Critical Current

Links

CA197190A Porte de mine Expired CA197190A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197190T

Publications (1)

Publication Number Publication Date
CA197190A true CA197190A (fr) 1920-02-10

Family

ID=35071628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197190A Expired CA197190A (fr) Porte de mine

Country Status (1)

Country Link
CA (1) CA197190A (fr)

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