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发明名称
摘要
申请公布号
SU380622(A1)
申请公布日期
1973.05.15
申请号
SU19681261000
申请日期
1968.07.29
申请人
发明人
分类号
C04B26/00;(IPC1-7):C04B43/00
主分类号
C04B26/00
代理机构
代理人
主权项
地址
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