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发明名称
摘要
申请公布号
BG22585(A1)
申请公布日期
1977.04.20
申请号
BG19750028855
申请日期
1975.01.30
申请人
发明人
分类号
(IPC1-7):C12D13/10
主分类号
(IPC1-7):C12D13/10
代理机构
代理人
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地址
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