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发明名称
摘要
申请公布号
DE1812733(B2)
申请公布日期
1971.01.28
申请号
DE19681812733
申请日期
1968.12.04
申请人
发明人
分类号
C03C8/24;C03C10/00;C03C27/00
主分类号
C03C8/24
代理机构
代理人
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地址
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