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发明名称
ZAWOR ZWROTNY
摘要
申请公布号
PL103160(B1)
申请公布日期
1979.05.31
申请号
PL19770198130
申请日期
1977.05.14
申请人
发明人
分类号
F16K;F16K15/03;(IPC1-7):F16K15/03
主分类号
F16K
代理机构
代理人
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