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发明名称
摘要
申请公布号
FR2319194(B1)
申请公布日期
1978.03.17
申请号
FR19750023353
申请日期
1975.07.25
申请人
DEVIENNE FERNAND
发明人
分类号
H01J49/14;(IPC1-7):H01J27/00;B01D59/00;G21K1/08;G21K5/04
主分类号
H01J49/14
代理机构
代理人
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地址
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