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经营范围
发明名称
ABRASIVE BREAKING METHOD
摘要
申请公布号
US3491929(A)
申请公布日期
1970.01.27
申请号
USD3491929
申请日期
1968.01.15
申请人
U.S. IND. INC.
发明人
HERBERT F.G. UELTZ;ALFRED G. RZUCIDLO
分类号
B02C4/02;(IPC1-7):B26F3/00;B65H35/00;B65H35/10
主分类号
B02C4/02
代理机构
代理人
主权项
地址
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