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发明名称
VACUUM BREAKER VALVE INCLUDING ANNULAR RING WITH CONCENTRIC VALVE SEATS
摘要
申请公布号
NZ196769(A)
申请公布日期
1985.03.20
申请号
NZ19810196769
申请日期
1981.04.09
申请人
FAIRWEATHER, R. M.
发明人
FAIRWEATHER, R. M.
分类号
F16K15/08;F16K24/06;(IPC1-7):F16K17/00
主分类号
F16K15/08
代理机构
代理人
主权项
地址
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