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发明名称
MACHINE FOR REMOVING THE BEAD FROM THE JOINT OF A WELDED RAILWAY RAIL
摘要
申请公布号
US3597958(A)
申请公布日期
1971.08.10
申请号
USD3597958
申请日期
1969.02.04
申请人
ROCK-MILL INC.
发明人
MAURICE J. GROSS
分类号
B23D27/00;B23D79/02;(IPC1-7):B21D31/00;B21D7/06;B21D13/00
主分类号
B23D27/00
代理机构
代理人
主权项
地址
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