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发明名称
Roller skate construction
摘要
申请公布号
US2193685(A)
申请公布日期
1940.03.12
申请号
US19390273316
申请日期
1939.05.12
申请人
BRUNER CALDER V L
发明人
BRUNER CALDER V. L.
分类号
A63C17/14
主分类号
A63C17/14
代理机构
代理人
主权项
地址
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