NO119818B - - Google Patents

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Publication number
NO119818B
NO119818B NO16820467A NO16820467A NO119818B NO 119818 B NO119818 B NO 119818B NO 16820467 A NO16820467 A NO 16820467A NO 16820467 A NO16820467 A NO 16820467A NO 119818 B NO119818 B NO 119818B
Authority
NO
Norway
Prior art keywords
layer
grain size
average grain
cutting edge
layers
Prior art date
Application number
NO16820467A
Other languages
English (en)
Norwegian (no)
Inventor
E Persson
Original Assignee
Boliden Ab
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 Boliden Ab filed Critical Boliden Ab
Priority to NO16820467A priority Critical patent/NO119818B/no
Publication of NO119818B publication Critical patent/NO119818B/no

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  • Earth Drilling (AREA)
NO16820467A 1967-05-18 1967-05-18 NO119818B (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO16820467A NO119818B (enrdf_load_stackoverflow) 1967-05-18 1967-05-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO16820467A NO119818B (enrdf_load_stackoverflow) 1967-05-18 1967-05-18

Publications (1)

Publication Number Publication Date
NO119818B true NO119818B (enrdf_load_stackoverflow) 1970-07-06

Family

ID=19910065

Family Applications (1)

Application Number Title Priority Date Filing Date
NO16820467A NO119818B (enrdf_load_stackoverflow) 1967-05-18 1967-05-18

Country Status (1)

Country Link
NO (1) NO119818B (enrdf_load_stackoverflow)

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