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发明名称
LOOSE-LEAF BINDER
摘要
申请公布号
CA337087(A)
申请公布日期
1933.11.14
申请号
CAD337087
申请日期
申请人
ANDRE PRACHE
发明人
ANDRE PRACHE
分类号
主分类号
代理机构
代理人
主权项
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