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发明名称
ДВОЙНОЕ ТОРЦОВОЕ УПЛОТНЕНИЕ
摘要
申请公布号
RU1173855(C)
申请公布日期
2005.12.10
申请号
SU19823438046
申请日期
1982.05.17
申请人
发明人
分类号
F16J15/34
主分类号
F16J15/34
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代理人
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地址
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