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发明名称
Clip
摘要
申请公布号
US2355767(A)
申请公布日期
1944.08.15
申请号
US19420458509
申请日期
1942.09.16
申请人
BETHLEHEM STEEL COMPANY
发明人
WHITE WILLIAM E.
分类号
E04H17/10
主分类号
E04H17/10
代理机构
代理人
主权项
地址
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