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摘要
申请公布号
NL6902860(A)
申请公布日期
1969.09.02
申请号
NL19690002860
申请日期
1969.02.24
申请人
发明人
分类号
A43B3/30;A43B23/24;(IPC1-7):A43B3/00;A43B23/00
主分类号
A43B3/30
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代理人
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