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经营范围
发明名称
Face mask
摘要
申请公布号
US2954027(A)
申请公布日期
1960.09.27
申请号
US19580757342
申请日期
1958.08.26
申请人
MARASCO PAUL B
发明人
MARASCO PAUL B.
分类号
A61M16/06;A62B18/02
主分类号
A61M16/06
代理机构
代理人
主权项
地址
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