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发明名称
摘要
申请公布号
NL7117607(A)
申请公布日期
1972.06.26
申请号
NL19710017607
申请日期
1971.12.21
申请人
发明人
分类号
A47B88/04;B42F15/00;B42F15/06
主分类号
A47B88/04
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代理人
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地址
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