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发明名称
Child's aeroplane swing
摘要
申请公布号
US1763510(A)
申请公布日期
1930.06.10
申请号
US19280317284
申请日期
1928.11.05
申请人
HARRY GILL;PLATTER ORVAL R
发明人
GILL HARRY;PLATTER ORVAL R.
分类号
A47D13/10
主分类号
A47D13/10
代理机构
代理人
主权项
地址
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