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发明名称
BUTTERFLY VALVE
摘要
申请公布号
JPS6469866(A)
申请公布日期
1989.03.15
申请号
JP19870228111
申请日期
1987.09.10
申请人
CHUBU KOKI KK
发明人
YAMASHITA MASAKATSU
分类号
F16K1/22;F16K27/02
主分类号
F16K1/22
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代理人
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