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发明名称
Playground apparatus
摘要
申请公布号
US1826468(A)
申请公布日期
1931.10.06
申请号
US19290353409
申请日期
1929.04.08
申请人
THE EVERWEAR MANUFACTURING COMPANY
发明人
HOPPES CHARLES E.
分类号
A63G1/14
主分类号
A63G1/14
代理机构
代理人
主权项
地址
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