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发明名称
Roller skate auxiliary
摘要
申请公布号
US2297328(A)
申请公布日期
1942.09.29
申请号
US19410393054
申请日期
1941.05.12
申请人
JOSEPH ROBINSON;ZAUG EMIL G
发明人
ROBINSON JOSEPH;ZAUG EMIL G.
分类号
A63C17/26
主分类号
A63C17/26
代理机构
代理人
主权项
地址
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