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发明名称
Appareil avec élément rotatif couronnant un socle permettant aux jeunes enfants d'apprendre à marcher
摘要
申请公布号
FR1038190(A)
申请公布日期
1953.09.25
申请号
FRD1038190
申请日期
1951.06.07
申请人
发明人
DUNKELMAN BENJAMIN
分类号
A47D13/04
主分类号
A47D13/04
代理机构
代理人
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