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经营范围
发明名称
Gas mask
摘要
申请公布号
US2365779(A)
申请公布日期
1944.12.26
申请号
US19410421154
申请日期
1941.12.01
申请人
SCHWAB MARTIN C
发明人
SCHWAB MARTIN C.
分类号
A62B18/08
主分类号
A62B18/08
代理机构
代理人
主权项
地址
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