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经营范围
发明名称
Material handling apparatus
摘要
申请公布号
US2502681(A)
申请公布日期
1950.04.04
申请号
US19450583184
申请日期
1945.03.17
申请人
UNIT CRANE & SHOVEL CORP.
发明人
SWANSON HILBERT E.
分类号
E02F3/30;E02F3/96
主分类号
E02F3/30
代理机构
代理人
主权项
地址
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