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发明名称
摘要
申请公布号
JPS4912021(Y1)
申请公布日期
1974.03.23
申请号
JP19700039199U
申请日期
1970.04.22
申请人
发明人
分类号
A01C11/02;H03K19/00;(IPC1-7):A01C11/02
主分类号
A01C11/02
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代理人
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