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发明名称
PAPER-RETAINING MECHANISM
摘要
申请公布号
HK1146447(A2)
申请公布日期
2011.06.03
申请号
HK20100103164
申请日期
2010.03.26
申请人
WORLD WIDE STATIONERY MANUFACTURING COMPANY
发明人
HUNG YU CHENG
分类号
B42F
主分类号
B42F
代理机构
代理人
主权项
地址
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