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发明名称
FACE SEAL
摘要
申请公布号
SU1555576(A1)
申请公布日期
1990.04.07
申请号
SU19874275834
申请日期
1987.07.02
申请人
DZERZHINSKY NI KONST INST
发明人
ZEMSKOV VLADIMIR A,SU;KRASHENINNIKOVA ZOYA A,SU
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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