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发明名称
摘要
申请公布号
CH675575(A5)
申请公布日期
1990.10.15
申请号
CH19880000994
申请日期
1988.03.16
申请人
ERICH URCH
发明人
URCH, ERICH
分类号
A01F25/20
主分类号
A01F25/20
代理机构
代理人
主权项
地址
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