CA299631A - Tunnel digging machine - Google Patents

Tunnel digging machine

Info

Publication number
CA299631A
CA299631A CA299631A CA299631DA CA299631A CA 299631 A CA299631 A CA 299631A CA 299631 A CA299631 A CA 299631A CA 299631D A CA299631D A CA 299631DA CA 299631 A CA299631 A CA 299631A
Authority
CA
Canada
Prior art keywords
digging machine
tunnel digging
tunnel
machine
digging
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
CA299631A
Other languages
French (fr)
Inventor
Nasteff Yovan
Dikushin Ivan
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 CA299631A publication Critical patent/CA299631A/en
Expired legal-status Critical Current

Links

CA299631A Tunnel digging machine Expired CA299631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA299631T

Publications (1)

Publication Number Publication Date
CA299631A true CA299631A (en) 1930-04-29

Family

ID=35236950

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299631A Expired CA299631A (en) Tunnel digging machine

Country Status (1)

Country Link
CA (1) CA299631A (en)

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