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发明名称
摘要
申请公布号
JPH0735863(B2)
申请公布日期
1995.04.19
申请号
JP19900015900
申请日期
1990.01.25
申请人
发明人
分类号
F16K23/00;(IPC1-7):F16K23/00
主分类号
F16K23/00
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代理人
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