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发明名称
Paper holder
摘要
申请公布号
US4836489(A)
申请公布日期
1989.06.06
申请号
US19870030154
申请日期
1987.03.25
申请人
HI TECH INDUSTRIES, LTD.
发明人
CHU, CORNEL
分类号
B42F1/02;B41J29/00;B41J29/15;B42F9/00
主分类号
B42F1/02
代理机构
代理人
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