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发明名称
Improvements in and relating to holding members for filing or classifying devices
摘要
申请公布号
GB726699(A)
申请公布日期
1955.03.23
申请号
GB19530007051
申请日期
1953.03.13
申请人
ROBERTO MENETRAY LANCOIS
发明人
分类号
B42F13/30
主分类号
B42F13/30
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