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发明名称
摘要
申请公布号
NL6516875(A)
申请公布日期
1967.06.26
申请号
NL19650016875
申请日期
1965.12.24
申请人
发明人
分类号
A01D17/02;A01D21/00;A01D23/02
主分类号
A01D17/02
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代理人
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地址
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