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经营范围
发明名称
MECHANICAL SEAL
摘要
申请公布号
JPS56167961(A)
申请公布日期
1981.12.23
申请号
JP19800070122
申请日期
1980.05.28
申请人
HITACHI LTD
发明人
INOUE KOU;MIZUMOTO MUNEO;SUZUKI SATOSHI;KOJIMA KAZUO
分类号
F16J15/34;F16J15/38
主分类号
F16J15/34
代理机构
代理人
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地址
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