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发明名称
FOUR-WAY BALL VALVE
摘要
申请公布号
JPH0221077(A)
申请公布日期
1990.01.24
申请号
JP19880171468
申请日期
1988.07.08
申请人
NIPPON BOORUBARUBU KK
发明人
IKEMATSU MORIO;MARUYAMA KENICHI
分类号
F16K11/087
主分类号
F16K11/087
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代理人
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