SE128619C1 - - Google Patents

Info

Publication number
SE128619C1
SE128619C1 SE128619DA SE128619C1 SE 128619 C1 SE128619 C1 SE 128619C1 SE 128619D A SE128619D A SE 128619DA SE 128619 C1 SE128619 C1 SE 128619C1
Authority
SE
Sweden
Prior art keywords
drill bit
drill
center
diameter
parallel
Prior art date
Application number
Other languages
English (en)
Swedish (sv)
Publication date
Publication of SE128619C1 publication Critical patent/SE128619C1/sv

Links

Landscapes

  • Earth Drilling (AREA)
SE128619D SE128619C1 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE128619T

Publications (1)

Publication Number Publication Date
SE128619C1 true SE128619C1 (https=) 1950-01-01

Family

ID=41926557

Family Applications (1)

Application Number Title Priority Date Filing Date
SE128619D SE128619C1 (https=)

Country Status (1)

Country Link
SE (1) SE128619C1 (https=)

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