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经营范围
发明名称
Protective mask
摘要
申请公布号
US2056753(A)
申请公布日期
1936.10.06
申请号
US19350018654
申请日期
1935.04.27
申请人
WANGELIN WAGNER EDWARD
发明人
WAGNER EDWARD WANGELIN
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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