<p>A coal cutting pick is secured in the holder of a cutting machine by a protrusion (4) at the forward end side of the shank (1) and a replacable insert (6) mounted in a gap (12) between the backward end side of the shank (1) and the holder.</p>
申请公布号
EP0220335(A1)
申请公布日期
1987.05.06
申请号
EP19850113790
申请日期
1985.10.30
申请人
GWARECTWO MECHANIZACJI GORNICTWA POLMAG-PRZEDSIEBIORSTWO PANSTWOWE FABRYKA SPRZETU I NARZEDZI