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发明名称
Hinged clamp
摘要
申请公布号
US2370748(A)
申请公布日期
1945.03.06
申请号
US19430482705
申请日期
1943.04.12
申请人
ECONO SAFETY DEVICES, INC.
发明人
O'DONNELL JOHN R.
分类号
E04G7/16
主分类号
E04G7/16
代理机构
代理人
主权项
地址
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