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经营范围
发明名称
SAFETY VALVE
摘要
申请公布号
PL265506(A1)
申请公布日期
1988.11.10
申请号
PL19870265506
申请日期
1987.05.04
申请人
发明人
分类号
F16K;(IPC1-7):F16K/
主分类号
F16K
代理机构
代理人
主权项
地址
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