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发明名称
GAS SOURCE FOR MAKING CONCRETE MIX POROUS
摘要
申请公布号
SU1588733(A1)
申请公布日期
1990.08.30
申请号
SU19884373857
申请日期
1988.02.02
申请人
IR POLT INSTITUT
发明人
DOMASHEVSKIJ NIKOLAJ L,SU;LEVCHENKO EVGENIJ A,SU
分类号
C04B38/02
主分类号
C04B38/02
代理机构
代理人
主权项
地址
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