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发明名称
Verfahren zur Abdichtung von kupfernen Vakuumgefaessen fuer Elektronenroehren
摘要
申请公布号
DE1089077(B)
申请公布日期
1960.09.15
申请号
DE1953B023826
申请日期
1953.01.17
申请人
DEUTSCHE ELEKTRONIK G.M.B.H.
发明人
MAGNER RICHARD;FRITZ DR. KARL
分类号
主分类号
代理机构
代理人
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