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发明名称
VACUUM BREAKER VALVE
摘要
申请公布号
JPS56116962(A)
申请公布日期
1981.09.14
申请号
JP19800019128
申请日期
1980.02.20
申请人
HITACHI LTD
发明人
UOZUMI HIROTO
分类号
F16K1/20;F16K17/02
主分类号
F16K1/20
代理机构
代理人
主权项
地址
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