SE47366C1 - - Google Patents

Info

Publication number
SE47366C1
SE47366C1 SE47366DA SE47366C1 SE 47366 C1 SE47366 C1 SE 47366C1 SE 47366D A SE47366D A SE 47366DA SE 47366 C1 SE47366 C1 SE 47366C1
Authority
SE
Sweden
Prior art keywords
pin
casing
drilling apparatus
roller bodies
drilling
Prior art date
Application number
Other languages
English (en)
Swedish (sv)
Publication date
Publication of SE47366C1 publication Critical patent/SE47366C1/sv

Links

Landscapes

  • Earth Drilling (AREA)
SE47366D SE47366C1 (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE47366T

Publications (1)

Publication Number Publication Date
SE47366C1 true SE47366C1 (cg-RX-API-DMAC7.html) 1920-01-01

Family

ID=41860926

Family Applications (1)

Application Number Title Priority Date Filing Date
SE47366D SE47366C1 (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
SE (1) SE47366C1 (cg-RX-API-DMAC7.html)

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