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发明名称
摘要
申请公布号
JPS58157072(U)
申请公布日期
1983.10.20
申请号
JP19820055805U
申请日期
1982.04.16
申请人
发明人
分类号
A01C11/02;F16K11/07;(IPC1-7):F16K11/07
主分类号
A01C11/02
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