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发明名称
摘要
申请公布号
BE658490(A)
申请公布日期
1965.05.17
申请号
BED658490
申请日期
1965.01.19
申请人
发明人
分类号
C11B1/10;C11C1/10
主分类号
C11B1/10
代理机构
代理人
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地址
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