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经营范围
发明名称
Ice creeper
摘要
申请公布号
US2171618(A)
申请公布日期
1939.09.05
申请号
US19380230437
申请日期
1938.09.17
申请人
WITMER EARL D
发明人
WITMER EARL D.
分类号
A43C15/06
主分类号
A43C15/06
代理机构
代理人
主权项
地址
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