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发明名称
Roller skate
摘要
申请公布号
US2535566(A)
申请公布日期
1950.12.26
申请号
US19480061957
申请日期
1948.11.26
申请人
CECIL D. STEPHENS
发明人
COLLIER MILLARD
分类号
A63C17/22
主分类号
A63C17/22
代理机构
代理人
主权项
地址
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