CA917683A - Tunnelling machines - Google Patents

Tunnelling machines

Info

Publication number
CA917683A
CA917683A CA917683A CA917683DA CA917683A CA 917683 A CA917683 A CA 917683A CA 917683 A CA917683 A CA 917683A CA 917683D A CA917683D A CA 917683DA CA 917683 A CA917683 A CA 917683A
Authority
CA
Canada
Prior art keywords
tunnelling machines
tunnelling
machines
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
CA917683A
Inventor
C. Mazzotti Pater
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.)
STREETERS PLANT HIRE Ltd
Original Assignee
STREETERS PLANT HIRE Ltd
Publication date
Application granted granted Critical
Publication of CA917683A publication Critical patent/CA917683A/en
Expired legal-status Critical Current

Links

CA917683A Tunnelling machines Expired CA917683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA917683T

Publications (1)

Publication Number Publication Date
CA917683A true CA917683A (en) 1972-12-26

Family

ID=36426882

Family Applications (1)

Application Number Title Priority Date Filing Date
CA917683A Expired CA917683A (en) Tunnelling machines

Country Status (1)

Country Link
CA (1) CA917683A (en)

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