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发明名称
Screw-threading apparatus
摘要
申请公布号
US1764607(A)
申请公布日期
1930.06.17
申请号
US19270197258
申请日期
1927.06.08
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
COOK JAMES MILTON
分类号
B21H3/06
主分类号
B21H3/06
代理机构
代理人
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地址
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