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发明名称
摘要
申请公布号
GB1228253(A)
申请公布日期
1971.04.15
申请号
GBD1228253
申请日期
1968.08.13
申请人
发明人
分类号
C09K3/14;C23C16/32;C23C16/442
主分类号
C09K3/14
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代理人
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地址
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