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发明名称
Skate guard
摘要
申请公布号
US2181779(A)
申请公布日期
1939.11.28
申请号
US19380214273
申请日期
1938.06.17
申请人
BARNARD THOMAS W
发明人
BARNARD THOMAS W.
分类号
A63C3/12
主分类号
A63C3/12
代理机构
代理人
主权项
地址
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