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发明名称
摘要
申请公布号
BE697878(A)
申请公布日期
1967.10.16
申请号
BED697878
申请日期
1967.05.02
申请人
发明人
分类号
A44B11/25
主分类号
A44B11/25
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代理人
主权项
地址
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