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发明名称
Roller skate
摘要
申请公布号
US1933972(A)
申请公布日期
1933.11.07
申请号
US19310575374
申请日期
1931.11.16
申请人
DEKOME ARTHUR E
发明人
DEKOME ARTHUR E.
分类号
A63C17/02
主分类号
A63C17/02
代理机构
代理人
主权项
地址
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