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经营范围
发明名称
Crusher
摘要
申请公布号
US2158779(A)
申请公布日期
1939.05.16
申请号
US19370147449
申请日期
1937.06.10
申请人
SMITH ENGINEERING WORKS
发明人
RUMPEL HARVEY H.
分类号
B02C2/04
主分类号
B02C2/04
代理机构
代理人
主权项
地址
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