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US5052503A
(en)
|
|
Eccentric drilling tool
|
|
CN100436075C
(zh)
|
|
凿子
|
|
US2819043A
(en)
|
|
Combination drilling bit
|
|
US5467837A
(en)
|
|
Rotary drill bit having an insert with leading and trailing relief portions
|
|
US1874066A
(en)
|
|
Combination rolling and scraping cutter drill
|
|
CN100425800C
(zh)
|
|
切割煤炭和岩石的切割齿组件及包括该组件的旋转滚筒
|
|
NO309288B1
(no)
|
|
Ledekile-anordning
|
|
US4738063A
(en)
|
|
Ground anchoring system
|
|
US5054217A
(en)
|
|
Hard insert for ice/snow clearing tool
|
|
US6915867B2
(en)
|
|
Earth penetrating rotary drill bit with helical ports
|
|
CH636797A5
(fr)
|
|
Outil de percage.
|
|
BE461369A
(no)
|
|
|
|
US5704438A
(en)
|
|
Rotary borer
|
|
CA2367009C
(en)
|
|
Whipstock casing milling system
|
|
NO176168B
(no)
|
|
Skjæreledd for sagkjede
|
|
US7032633B2
(en)
|
|
Cutting tool and system for coring a bowl using a lathe
|
|
US10792666B2
(en)
|
|
Combined mulcher and chipper attachment
|
|
EP0169872A1
(en)
|
|
FLOOR ANCHORING SYSTEM.
|
|
CN210422623U
(zh)
|
|
带缓冲装置的盾构机切刀
|
|
US2699930A
(en)
|
|
Coal planing machine head and cutter arrangement thereon
|
|
US3056202A
(en)
|
|
Powered cutting tools
|
|
US5626399A
(en)
|
|
Apparatus for cutting and excavating solids
|
|
FR2762355A1
(fr)
|
|
Procede de forage par percussion et rotation simultanees et dispositif de mise en oeuvre de ce procede
|
|
HU176912B
(hu)
|
|
Peredvizhnoj mekhanizm kreplenija hhita
|
|
US2580569A
(en)
|
|
Mining machine
|