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发明名称
O-RING
摘要
申请公布号
JPH0469459(A)
申请公布日期
1992.03.04
申请号
JP19900182101
申请日期
1990.07.10
申请人
SEIKO EPSON CORP
发明人
YAMAZAKI KAZUO
分类号
F16J15/06
主分类号
F16J15/06
代理机构
代理人
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