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发明名称
摘要
申请公布号
LU43272(A1)
申请公布日期
1963.04.29
申请号
LUD43272
申请日期
1963.02.28
申请人
发明人
分类号
A62C4/00;F16K15/16
主分类号
A62C4/00
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