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发明名称
摘要
申请公布号
SE120221(C1)
申请公布日期
1947.11.18
申请号
SE19450008376
申请日期
1945.11.05
申请人
发明人
分类号
(IPC1-7):06B3/82
主分类号
(IPC1-7):06B3/82
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