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发明名称
Hoist
摘要
申请公布号
US1782679(A)
申请公布日期
1930.11.25
申请号
US19280327676
申请日期
1928.12.21
申请人
CHAPPELKA ARTHUR H
发明人
CHAPPELKA ARTHUR H.
分类号
B66D3/12
主分类号
B66D3/12
代理机构
代理人
主权项
地址
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