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发明名称
Wheel for roller skates
摘要
申请公布号
US2075271(A)
申请公布日期
1937.03.30
申请号
US19350007811
申请日期
1935.02.23
申请人
GLOBE-UNION INC.
发明人
COLDWELL JOHN S.
分类号
A63C17/22
主分类号
A63C17/22
代理机构
代理人
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地址
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