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发明名称
Dispositif de criblage
摘要
申请公布号
CH353757(A)
申请公布日期
1961.04.30
申请号
CHD353757
申请日期
1959.03.31
申请人
SCHEUCHZER,ALFRED
发明人
SCHEUCHZER,ALFRED
分类号
E01B27/10
主分类号
E01B27/10
代理机构
代理人
主权项
地址
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