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发明名称
摘要
申请公布号
DE2702439(C3)
申请公布日期
1980.08.07
申请号
DE19772702439
申请日期
1977.01.19
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN
发明人
STURM, MATTHIAS, DIPL.-ING.;LISCHKE, BURKHARD, DR.-ING.
分类号
H01J37/141;H01J37/15;(IPC1-7):H01J37/14;H01J37/20
主分类号
H01J37/141
代理机构
代理人
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