CA124629A - Machine a percement de tunnels - Google Patents

Machine a percement de tunnels

Info

Publication number
CA124629A
CA124629A CA000124629A CA124629DA CA124629A CA 124629 A CA124629 A CA 124629A CA 000124629 A CA000124629 A CA 000124629A CA 124629D A CA124629D A CA 124629DA CA 124629 A CA124629 A CA 124629A
Authority
CA
Canada
Prior art keywords
tunnelling machine
tunnelling
machine
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
CA000124629A
Other languages
English (en)
Inventor
Joseph Retallack
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA124629A publication Critical patent/CA124629A/fr
Expired legal-status Critical Current

Links

CA000124629A 1908-09-28 1908-09-28 Machine a percement de tunnels Expired CA124629A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA124629T 1908-09-28

Publications (1)

Publication Number Publication Date
CA124629A true CA124629A (fr) 1910-03-22

Family

ID=45244351

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000124629A Expired CA124629A (fr) 1908-09-28 1908-09-28 Machine a percement de tunnels

Country Status (1)

Country Link
CA (1) CA124629A (fr)

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