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经营范围
发明名称
VACUUM BREAKER
摘要
申请公布号
JPS53131481(A)
申请公布日期
1978.11.16
申请号
JP19770045728
申请日期
1977.04.22
申请人
HITACHI LTD
发明人
KUROSAWA YUKIO;KAWAKUBO YUKIO;ABE NOBUO
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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