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经营范围
发明名称
COARSE AGGREGATE DEPRESSING MACHINE FOR CONCRETE
摘要
申请公布号
CA621359(A)
申请公布日期
1961.06.06
申请号
CAD621359
申请日期
申请人
STANLEY A. HUMPHREY
发明人
STANLEY A. HUMPHREY
分类号
主分类号
代理机构
代理人
主权项
地址
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