NO883533D0 - CUTTER RING FOR TUNNEL DRILLING IN THE MOUNTAIN. - Google Patents

CUTTER RING FOR TUNNEL DRILLING IN THE MOUNTAIN.

Info

Publication number
NO883533D0
NO883533D0 NO883533A NO883533A NO883533D0 NO 883533 D0 NO883533 D0 NO 883533D0 NO 883533 A NO883533 A NO 883533A NO 883533 A NO883533 A NO 883533A NO 883533 D0 NO883533 D0 NO 883533D0
Authority
NO
Norway
Prior art keywords
mountain
cutter ring
tunnel drilling
tunnel
drilling
Prior art date
Application number
NO883533A
Other languages
Norwegian (no)
Other versions
NO165456C (en
NO165456B (en
NO883533L (en
Inventor
Stein Narvestad
Original Assignee
Narvestad A S Stein
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 Narvestad A S Stein filed Critical Narvestad A S Stein
Priority to NO883533A priority Critical patent/NO165456C/en
Publication of NO883533D0 publication Critical patent/NO883533D0/en
Publication of NO883533L publication Critical patent/NO883533L/en
Publication of NO165456B publication Critical patent/NO165456B/en
Publication of NO165456C publication Critical patent/NO165456C/en

Links

NO883533A 1988-08-09 1988-08-09 CUTTER RING FOR TUNNEL DRILLING IN THE MOUNTAIN. NO165456C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO883533A NO165456C (en) 1988-08-09 1988-08-09 CUTTER RING FOR TUNNEL DRILLING IN THE MOUNTAIN.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO883533A NO165456C (en) 1988-08-09 1988-08-09 CUTTER RING FOR TUNNEL DRILLING IN THE MOUNTAIN.

Publications (4)

Publication Number Publication Date
NO883533D0 true NO883533D0 (en) 1988-08-09
NO883533L NO883533L (en) 1990-02-12
NO165456B NO165456B (en) 1990-11-05
NO165456C NO165456C (en) 1991-02-13

Family

ID=19891145

Family Applications (1)

Application Number Title Priority Date Filing Date
NO883533A NO165456C (en) 1988-08-09 1988-08-09 CUTTER RING FOR TUNNEL DRILLING IN THE MOUNTAIN.

Country Status (1)

Country Link
NO (1) NO165456C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO169859C (en) * 1990-04-06 1992-08-12 Narvestad A S Stein CLAMPING FOR FITTING A CUTTING RING.

Also Published As

Publication number Publication date
NO165456C (en) 1991-02-13
NO165456B (en) 1990-11-05
NO883533L (en) 1990-02-12

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