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发明名称
摘要
申请公布号
JPS644957(U)
申请公布日期
1989.01.12
申请号
JP19870098993U
申请日期
1987.06.26
申请人
发明人
分类号
F16K11/00;(IPC1-7):F16K11/00
主分类号
F16K11/00
代理机构
代理人
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地址
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