CA533524A - Appareil et methode de creusage - Google Patents

Appareil et methode de creusage

Info

Publication number
CA533524A
CA533524A CA533524A CA533524DA CA533524A CA 533524 A CA533524 A CA 533524A CA 533524 A CA533524 A CA 533524A CA 533524D A CA533524D A CA 533524DA CA 533524 A CA533524 A CA 533524A
Authority
CA
Canada
Prior art keywords
excavating apparatus
excavating
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
CA533524A
Other languages
English (en)
Inventor
F. Kolbe Frank
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.)
UNITED ELECTRIC COAL Cos
Original Assignee
UNITED ELECTRIC COAL Cos
Publication date
Application granted granted Critical
Publication of CA533524A publication Critical patent/CA533524A/fr
Expired legal-status Critical Current

Links

CA533524A Appareil et methode de creusage Expired CA533524A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA533524T

Publications (1)

Publication Number Publication Date
CA533524A true CA533524A (fr) 1956-11-20

Family

ID=35688143

Family Applications (1)

Application Number Title Priority Date Filing Date
CA533524A Expired CA533524A (fr) Appareil et methode de creusage

Country Status (1)

Country Link
CA (1) CA533524A (fr)

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