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发明名称
Шпилька для нанизывания документов
摘要
申请公布号
SU27377(A1)
申请公布日期
1932.08.31
申请号
SU19310099937
申请日期
1931.12.25
申请人
POLIN E.L.
发明人
POLIN E.L.
分类号
B42B2/10
主分类号
B42B2/10
代理机构
代理人
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