CA283877A - Galerie de mine, tunnel, etc. - Google Patents

Galerie de mine, tunnel, etc.

Info

Publication number
CA283877A
CA283877A CA283877A CA283877DA CA283877A CA 283877 A CA283877 A CA 283877A CA 283877 A CA283877 A CA 283877A CA 283877D A CA283877D A CA 283877DA CA 283877 A CA283877 A CA 283877A
Authority
CA
Canada
Prior art keywords
tunnel
mine gallery
gallery
mine
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
CA283877A
Other languages
English (en)
Inventor
Schaefer Hanns
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 CA283877A publication Critical patent/CA283877A/fr
Expired legal-status Critical Current

Links

CA283877A Galerie de mine, tunnel, etc. Expired CA283877A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA283877T

Publications (1)

Publication Number Publication Date
CA283877A true CA283877A (fr) 1928-10-09

Family

ID=35216968

Family Applications (1)

Application Number Title Priority Date Filing Date
CA283877A Expired CA283877A (fr) Galerie de mine, tunnel, etc.

Country Status (1)

Country Link
CA (1) CA283877A (fr)

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