CA817802A - Oscillating tunneling machine - Google Patents

Oscillating tunneling machine

Info

Publication number
CA817802A
CA817802A CA817802A CA817802DA CA817802A CA 817802 A CA817802 A CA 817802A CA 817802 A CA817802 A CA 817802A CA 817802D A CA817802D A CA 817802DA CA 817802 A CA817802 A CA 817802A
Authority
CA
Canada
Prior art keywords
oscillating
tunneling machine
tunneling
machine
oscillating tunneling
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
CA817802A
Inventor
C. Haspert John
A. Wallers Richard
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.)
SMITH INDUSTRIES INTERNATIONAL
Original Assignee
SMITH INDUSTRIES INTERNATIONAL
Publication date
Application granted granted Critical
Publication of CA817802A publication Critical patent/CA817802A/en
Expired legal-status Critical Current

Links

CA817802A Oscillating tunneling machine Expired CA817802A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA817802T

Publications (1)

Publication Number Publication Date
CA817802A true CA817802A (en) 1969-07-15

Family

ID=36290342

Family Applications (1)

Application Number Title Priority Date Filing Date
CA817802A Expired CA817802A (en) Oscillating tunneling machine

Country Status (1)

Country Link
CA (1) CA817802A (en)

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