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发明名称
SENSING DEVICE FOR DROP OF DEGREE OF VACUUM IN VACUUM OPENING/CLOSING DEVICE
摘要
申请公布号
JPH02204926(A)
申请公布日期
1990.08.14
申请号
JP19890024258
申请日期
1989.02.02
申请人
FUJI ELECTRIC CO LTD
发明人
KAWASAKI KIKUO
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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