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发明名称
Grapple
摘要
申请公布号
US2329554(A)
申请公布日期
1943.09.14
申请号
US19420439996
申请日期
1942.04.22
申请人
INLAND STEEL COMPANY
发明人
PIETSCH LEONARD C.
分类号
B66C1/24
主分类号
B66C1/24
代理机构
代理人
主权项
地址
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