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发明名称
Method of converting standard threads into locking threads
摘要
申请公布号
US2787796(A)
申请公布日期
1957.04.09
申请号
US19520312231
申请日期
1952.09.30
申请人
JOSEPH ROSAN
发明人
ROSAN JOSEPH
分类号
B21H3/02;F16B33/02;F16B39/30
主分类号
B21H3/02
代理机构
代理人
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