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经营范围
发明名称
SEALING DEVICE
摘要
申请公布号
JPH04341664(A)
申请公布日期
1992.11.27
申请号
JP19910138539
申请日期
1991.05.15
申请人
RIKEN CORP
发明人
OKATO YUKIO
分类号
F16J15/26
主分类号
F16J15/26
代理机构
代理人
主权项
地址
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