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发明名称
CONTACT MATERIAL FOR VACUUM BULB
摘要
申请公布号
JPH02288033(A)
申请公布日期
1990.11.28
申请号
JP19890108742
申请日期
1989.04.27
申请人
TOSHIBA CORP
发明人
OKUTOMI ISAO;CHIBA SEIJI;YAMAMOTO ATSUSHI;SEKI KEISEI;SEKIGUCHI SHIGEAKI
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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