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发明名称
Schwimmschuh
摘要
申请公布号
DE817711(C)
申请公布日期
1951.10.18
申请号
DE1949E000457
申请日期
1949.12.28
申请人
ENGELEN JOSEF
发明人
ENGELEN JOSEF
分类号
A63B31/14
主分类号
A63B31/14
代理机构
代理人
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