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发明名称
Verfahren zum kuenstlichen Altern von Biegehaeuten fuer Gasfernzuender und Druckregler
摘要
申请公布号
DE671228(C)
申请公布日期
1939.02.03
申请号
DE1937E050565D
申请日期
1937.12.21
申请人
EHRICH & GRAETZ AKT.-GES.
发明人
WILDE PETER
分类号
C14C9/02
主分类号
C14C9/02
代理机构
代理人
主权项
地址
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