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发明名称
WHOLE METALLIC RING-TYPE SEAL
摘要
申请公布号
SU838211(A1)
申请公布日期
1981.06.15
申请号
SU19701421370
申请日期
1970.04.06
申请人
GRYAZEV VADIM V,SU
发明人
GRYAZEV VADIM V,SU
分类号
F16J15/06;(IPC1-7):F16J15/06
主分类号
F16J15/06
代理机构
代理人
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