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经营范围
发明名称
Protective mask
摘要
申请公布号
US2494406(A)
申请公布日期
1950.01.10
申请号
US19490081887
申请日期
1949.03.17
申请人
SANI-MASK INC.
发明人
REITANO EDWARD S.
分类号
A41D13/11
主分类号
A41D13/11
代理机构
代理人
主权项
地址
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