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发明名称
摘要
申请公布号
JPS53154429(U)
申请公布日期
1978.12.05
申请号
JP19770060694U
申请日期
1977.05.12
申请人
发明人
分类号
A63B41/12;A63B41/04;F16K15/20;(IPC1-7):F16K15/20
主分类号
A63B41/12
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