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发明名称
Portable hoist
摘要
申请公布号
US2640612(A)
申请公布日期
1953.06.02
申请号
US19490095477
申请日期
1949.05.26
申请人
BARRY LEONARD D
发明人
BARRY LEONARD D.
分类号
B60P1/44;B60P1/46
主分类号
B60P1/44
代理机构
代理人
主权项
地址
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