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经营范围
发明名称
SINGLE-STAGE SAFETY VALVE
摘要
申请公布号
PL275391(A1)
申请公布日期
1990.04.30
申请号
PL19880275391
申请日期
1988.10.20
申请人
POLITECHNIKA WROCLAWSKA
发明人
KUDZMA ZYGMUNT
分类号
F16K;F16K17/04;(IPC1-7):F16K/
主分类号
F16K
代理机构
代理人
主权项
地址
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