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发明名称
MAGNETIC FLUID SEAL DEVICE
摘要
申请公布号
JPH0251668(A)
申请公布日期
1990.02.21
申请号
JP19880200934
申请日期
1988.08.10
申请人
NIPPON PILLAR PACKING CO LTD
发明人
FUSE TOSHIHIKO
分类号
F16J15/43;F16J15/40
主分类号
F16J15/43
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代理人
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