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发明名称
Hoist
摘要
申请公布号
US1887548(A)
申请公布日期
1932.11.15
申请号
US19310568701
申请日期
1931.10.14
申请人
FREDRICK DARTSUP
发明人
DARTSUP FREDRICK
分类号
B66B9/16
主分类号
B66B9/16
代理机构
代理人
主权项
地址
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