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经营范围
发明名称
Waterless ice bag
摘要
申请公布号
US2049220(A)
申请公布日期
1936.07.28
申请号
US19350013149
申请日期
1935.03.26
申请人
EVANS PEARCE MARGARET
发明人
PEARCE MARGARET EVANS
分类号
A61F7/00;A61F7/08;A61F7/10
主分类号
A61F7/00
代理机构
代理人
主权项
地址
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