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发明名称
RAW MIXTURE FOR PRODUCTION OF POROUS CLAY FILLER
摘要
申请公布号
SU697456(A1)
申请公布日期
1979.11.15
申请号
SU19772458197
申请日期
1977.03.02
申请人
SEVERNYJ V NAUCHNO- I I PO STROITELSTVU MAGISTRALNYKH TRUBOPROVODOV
发明人
ZEMLYANSKIJ VLADIMIR N,SU;ZELIKIN SAMUIL ,SU;VEZHNIN VIKTOR P,SU
分类号
(IPC1-7):C04B31/02;C04B31/20
主分类号
(IPC1-7):C04B31/02
代理机构
代理人
主权项
地址
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