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经营范围
发明名称
SEALING DEVICE
摘要
申请公布号
JPS5586963(A)
申请公布日期
1980.07.01
申请号
JP19780157445
申请日期
1978.12.22
申请人
HITACHI LTD
发明人
NAGATOMO HIROTO;SEKI HISAO;TAKAGAKI TETSUYA;TERASAKI SHIROU
分类号
F16J15/447;H01L21/30;H01L21/304
主分类号
F16J15/447
代理机构
代理人
主权项
地址
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