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发明名称
摘要
申请公布号
BE673909(A)
申请公布日期
1966.04.15
申请号
BED673909
申请日期
1965.12.17
申请人
发明人
分类号
A01F29/22;B24B3/36
主分类号
A01F29/22
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代理人
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地址
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