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经营范围
发明名称
Hand operated load lifting device
摘要
申请公布号
US1815825(A)
申请公布日期
1931.07.21
申请号
US19280322430
申请日期
1928.11.28
申请人
JOHN BATES
发明人
BATES JOHN
分类号
B65G7/08
主分类号
B65G7/08
代理机构
代理人
主权项
地址
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