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发明名称
摘要
申请公布号
DE287392(C)
申请公布日期
1933.11.03
申请号
DE1928ST44968
申请日期
1928.10.27
申请人
发明人
分类号
A63B3/00;B22F9/04
主分类号
A63B3/00
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代理人
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