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发明名称
摘要
申请公布号	BE406722(A)	申请公布日期	1935.01.31
申请号	BED406722	申请日期	1934.12.08
申请人		发明人
分类号	A01C15/16	主分类号	A01C15/16
代理机构		代理人
主权项
地址

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