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发明名称
METHOD FOR MARKETING A SCHOOL PRODUCT
摘要
申请公布号
WO2001047338(A2)
申请公布日期
2001.07.05
申请号
US2000034883
申请日期
2000.12.20
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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