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发明名称
摘要
申请公布号
JP2699530(B2)
申请公布日期
1998.01.19
申请号
JP19890062427
申请日期
1989.03.15
申请人
发明人
分类号
F16K31/06;F16K31/04;F16K31/66;F24D17/00;G05D23/13;G05D23/19;(IPC1-7):F16K31/66
主分类号
F16K31/06
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