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发明名称
Process for the manufacture of articles which are made of iron or steel and are threaed or possess surfaces which make tight joints
摘要
申请公布号
US2236209(A)
申请公布日期
1941.03.25
申请号
US19380207070
申请日期
1938.05.10
申请人
KARL DAEVES;GOTTFRIED BECKER
发明人
DAEVES KARL;BECKER GOTTFRIED
分类号
C22C38/18;C23C10/10
主分类号
C22C38/18
代理机构
代理人
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