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发明名称
Mask
摘要
申请公布号
US2498668(A)
申请公布日期
1950.02.28
申请号
US19470771607
申请日期
1947.09.02
申请人
JAMES FITZSIMMONS LESLIE
发明人
FITZSIMMONS LESLIE JAMES
分类号
A41D13/11
主分类号
A41D13/11
代理机构
代理人
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