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摘要
申请公布号
DE817420(C)
申请公布日期
1951.10.18
申请号
DE1949P030544D
申请日期
1949.01.01
申请人
ALLARD PIERRE JEAN-MARIE THEODORE
发明人
ALLARD PIERRE JEAN-MARIE THEODORE
分类号
E02F3/04;E02F5/18
主分类号
E02F3/04
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