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发明名称
摘要
申请公布号
JPS529836(Y2)
申请公布日期
1977.03.02
申请号
JP19740022827U
申请日期
1974.02.27
申请人
发明人
分类号
A61C17/00;A61C17/02;F16K31/00;F16K31/06;(IPC1-7):A61C17/02
主分类号
A61C17/00
代理机构
代理人
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