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经营范围
发明名称
Crane construction
摘要
申请公布号
US2627984(A)
申请公布日期
1953.02.10
申请号
US19500166642
申请日期
1950.06.07
申请人
COLBY STEEL & MANUFACTURING, INC.
发明人
SENN ARTHUR L.;GOULD CHARLES D.;EVENSEN CARL;JR. ARTHUR L. SENN,
分类号
B66C13/06;B66C23/52
主分类号
B66C13/06
代理机构
代理人
主权项
地址
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