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发明名称
Roller skate
摘要
申请公布号
US1974152(A)
申请公布日期
1934.09.18
申请号
US19340716787
申请日期
1934.03.22
申请人
DRAWS GEORGE A L
发明人
DRAWS GEORGE A. 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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