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经营范围
发明名称
Hoist grab
摘要
申请公布号
US2284238(A)
申请公布日期
1942.05.26
申请号
US19410410975
申请日期
1941.09.16
申请人
TODD JOHN W
发明人
TODD JOHN W.
分类号
B66C1/32
主分类号
B66C1/32
代理机构
代理人
主权项
地址
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