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发明名称
IMPROVEMENTS IN OR RELATING TO FILING SYSTEMS
摘要
申请公布号
GB1234886(A)
申请公布日期
1971.06.09
申请号
GB19690033914
申请日期
1969.07.04
申请人
VELOX-WERK HERBERT SCHNELLE
发明人
分类号
B42F15/00
主分类号
B42F15/00
代理机构
代理人
主权项
地址
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