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发明名称
VACUUM BREAKER
摘要
申请公布号
JPH02215021(A)
申请公布日期
1990.08.28
申请号
JP19890033597
申请日期
1989.02.15
申请人
HITACHI LTD
发明人
HASEGAWA SANKICHI;UCHII TAROU
分类号
H01H33/66;H01H33/42
主分类号
H01H33/66
代理机构
代理人
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