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发明名称
摘要
申请公布号
DE1671173(B2)
申请公布日期
1971.01.28
申请号
DE19661671173
申请日期
1966.12.07
申请人
发明人
分类号
C01B13/14;C04B35/46;C04B35/48;C04B35/50;C04B35/51;C30B9/00;H01B3/02;H01G7/02
主分类号
C01B13/14
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代理人
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地址
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