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发明名称
METHOD OF FOAMED CARBONIC MASS PREPARATION
摘要
申请公布号
SU1763364(A1)
申请公布日期
1992.09.23
申请号
SU19904814496
申请日期
1990.04.16
申请人
N-PROIZV OB "ISTOK"
发明人
LEBEDEV ALEKSANDR T,SU;NARYSHKINA VALENTINA G,SU
分类号
C01B31/02
主分类号
C01B31/02
代理机构
代理人
主权项
地址
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