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经营范围
发明名称
Face mask
摘要
申请公布号
US2355283(A)
申请公布日期
1944.08.08
申请号
US19420429151
申请日期
1942.02.02
申请人
DISS ALMA M S
发明人
DISS ALMA M. S.
分类号
A45D44/12
主分类号
A45D44/12
代理机构
代理人
主权项
地址
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