NO812455L - DRILLING APPARATUS. - Google Patents

DRILLING APPARATUS.

Info

Publication number
NO812455L
NO812455L NO812455A NO812455A NO812455L NO 812455 L NO812455 L NO 812455L NO 812455 A NO812455 A NO 812455A NO 812455 A NO812455 A NO 812455A NO 812455 L NO812455 L NO 812455L
Authority
NO
Norway
Prior art keywords
drilling apparatus
drilling
Prior art date
Application number
NO812455A
Other languages
Norwegian (no)
Other versions
NO148478C (en
NO148478B (en
Inventor
Atle Nilsen
Original Assignee
Atle Nilsen
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 Atle Nilsen filed Critical Atle Nilsen
Priority to NO812455A priority Critical patent/NO148478C/en
Publication of NO812455L publication Critical patent/NO812455L/en
Publication of NO148478B publication Critical patent/NO148478B/en
Publication of NO148478C publication Critical patent/NO148478C/en

Links

NO812455A 1981-07-17 1981-07-17 DRILLING APPARATUS NO148478C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO812455A NO148478C (en) 1981-07-17 1981-07-17 DRILLING APPARATUS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO812455A NO148478C (en) 1981-07-17 1981-07-17 DRILLING APPARATUS

Publications (3)

Publication Number Publication Date
NO812455L true NO812455L (en) 1983-01-18
NO148478B NO148478B (en) 1983-07-11
NO148478C NO148478C (en) 1983-10-19

Family

ID=19886162

Family Applications (1)

Application Number Title Priority Date Filing Date
NO812455A NO148478C (en) 1981-07-17 1981-07-17 DRILLING APPARATUS

Country Status (1)

Country Link
NO (1) NO148478C (en)

Also Published As

Publication number Publication date
NO148478C (en) 1983-10-19
NO148478B (en) 1983-07-11

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