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发明名称
Filing system
摘要
申请公布号
US2174201(A)
申请公布日期
1939.09.26
申请号
US19360090670
申请日期
1936.07.15
申请人
ANDRE CHAUVIN
发明人
CHAUVIN ANDRE
分类号
B42F15/02
主分类号
B42F15/02
代理机构
代理人
主权项
地址
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