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发明名称
摘要
申请公布号
FR2034935(A1)
申请公布日期
1970.12.18
申请号
FR19700008811
申请日期
1970.03.10
申请人
LEYBOLD HERAEUS
发明人
分类号
C03C17/34;C03C17/36;C23C14/58;(IPC1-7):C03C17/00;G02B5/00
主分类号
C03C17/34
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