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经营范围
发明名称
METHOD OF OBTAINING POROUS AGGREGATE
摘要
申请公布号
SU637378(A1)
申请公布日期
1978.12.15
申请号
SU19772493346
申请日期
1977.06.06
申请人
KAZAKHSKIJ NII MINERALNOGO SYRYA
发明人
KANTEMIROV MURAT D,SU;SMIRNOVA ELIZAVETA YA,SU;RAKHIMOVA REZEDA A,SU
分类号
(IPC1-7):C04B31/20
主分类号
(IPC1-7):C04B31/20
代理机构
代理人
主权项
地址
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