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经营范围
发明名称
ELECTRIC SPRING OPERATOR
摘要
申请公布号
JPS63257145(A)
申请公布日期
1988.10.25
申请号
JP19870088826
申请日期
1987.04.13
申请人
HITACHI LTD
发明人
YAMAOKA YUKINORI;MIWATA SATOSHI
分类号
H01H33/40
主分类号
H01H33/40
代理机构
代理人
主权项
地址
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