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发明名称
VACUUM BREAKER
摘要
申请公布号
JPS5217674(A)
申请公布日期
1977.02.09
申请号
JP19750093139
申请日期
1975.08.01
申请人
HITACHI LTD
发明人
KURODA KATSUZOU
分类号
H01H33/66
主分类号
H01H33/66
代理机构
代理人
主权项
地址
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