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发明名称
VACUUM SWITCH VACUUM LEAKAGE DETECTOR
摘要
申请公布号
JPS52150570(A)
申请公布日期
1977.12.14
申请号
JP19760066587
申请日期
1976.06.09
申请人
HITACHI LTD
发明人
TOKIYA TETSUO;KUROSAWA YUKIO
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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