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发明名称
Schwimmschuh mit an einem Fussgelenkbande gelenkig angebrachten, in Loeffelform ausgefuehrten Schwimmflossen
摘要
申请公布号
DE494392(C)
申请公布日期
1930.03.24
申请号
DENDATB139658D
申请日期
申请人
HANS BECKERT
发明人
分类号
A63B31/14
主分类号
A63B31/14
代理机构
代理人
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地址
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