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发明名称
摘要
申请公布号
FR2016695(A1)
申请公布日期
1970.05.08
申请号
FR19690029725
申请日期
1969.08.29
申请人
WESTINGHOUSE ELECTRIC
发明人
分类号
B28D1/22;E21C37/18;H01J37/301;(IPC1-7):H01J33/00;E21C37/00
主分类号
B28D1/22
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代理人
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