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经营范围
发明名称
LOOSE LEAF BINDER
摘要
申请公布号
CA404369(A)
申请公布日期
1942.04.28
申请号
CAD404369
申请日期
申请人
COPELAND-CHATTERSON LIMITED
发明人
ERNEST J. BLOORE
分类号
主分类号
代理机构
代理人
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