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发明名称
APPARATUS FOR HYDROMECHANIC SEALING OF POROUS WORKS
摘要
申请公布号
SU859030(A1)
申请公布日期
1981.08.30
申请号
SU19792857827
申请日期
1979.12.21
申请人
VARYAN SERGEJ M,SU;VEKSHIN BORIS S,SU;LEBEDEV VIKTOR N,SU;CHELYSHEV ALBERT ,SU;MELGUNOV ALEKSEJ A,SU
发明人
VARYAN SERGEJ M,SU;VEKSHIN BORIS S,SU;LEBEDEV VIKTOR N,SU;CHELYSHEV ALBERT I,SU;MELGUNOV ALEKSEJ A,SU
分类号
B22F3/04;B22F3/02;B22F3/11;B30B15/02;(IPC1-7):B22F3/02
主分类号
B22F3/04
代理机构
代理人
主权项
地址
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