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经营范围
发明名称
Printer and slotter
摘要
申请公布号
US1850801(A)
申请公布日期
1932.03.22
申请号
US19310553980
申请日期
1931.07.30
申请人
SAMUEL M. LANGSTON CO.
发明人
LANGSTON SAMUEL M.;SIEG KARL
分类号
B31B1/16
主分类号
B31B1/16
代理机构
代理人
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