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发明名称
摘要
申请公布号
FR2052757(A5)
申请公布日期
1971.04.09
申请号
FR19700022387
申请日期
1970.06.17
申请人
ASSOCIATED ELECTRICAL
发明人
分类号
H01J37/147;H01J37/153;H01J37/24;(IPC1-7):H01J37/00
主分类号
H01J37/147
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