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发明名称
Perfectionnements aux dispositifs de classement
摘要
申请公布号
FR1020242(A)
申请公布日期
1953.02.03
申请号
FRD1020242
申请日期
1950.06.15
申请人
发明人
PESARESI CIRO
分类号
B42F15/00
主分类号
B42F15/00
代理机构
代理人
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