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发明名称
Manufacture of self-locking nuts
摘要
申请公布号
US2347853(A)
申请公布日期
1944.05.02
申请号
US19430482951
申请日期
1943.04.14
申请人
THOMPSON-BREMER & CO.
发明人
THOMPSON ARTHUR H.
分类号
B21K1/70
主分类号
B21K1/70
代理机构
代理人
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地址
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