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发明名称
Verfahren zum Einschmelzen von Wolframdraht in Quarz mittels Zwischenglaeser
摘要
申请公布号
DE663337(C)
申请公布日期
1938.08.04
申请号
DE1934N037291D
申请日期
1934.10.17
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
分类号
C03C27/04;H01J5/38
主分类号
C03C27/04
代理机构
代理人
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