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摘要
申请公布号
US2374723(A)
申请公布日期
1945.05.01
申请号
US19440534146
申请日期
1944.05.04
申请人
BARGHAUSEN LAWRENCE R
发明人
BARGHAUSEN LAWRENCE R.
分类号
B42D15/00
主分类号
B42D15/00
代理机构
代理人
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