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发明名称
Planscheibe
摘要
申请公布号
DE492293(C)
申请公布日期
1930.02.24
申请号
DE1928K108763D
申请日期
1928.04.01
申请人
OTTO KRODER
发明人
分类号
B23B31/02
主分类号
B23B31/02
代理机构
代理人
主权项
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