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经营范围
发明名称
LOOSE LEAF BINDER
摘要
申请公布号
CA659536(A)
申请公布日期
1963.03.19
申请号
CAD659536
申请日期
申请人
RUSSELL G. DEMAREST, JR.
发明人
RUSSELL G. DEMAREST, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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