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经营范围
发明名称
Sheet separating apparatus
摘要
申请公布号
US2253140(A)
申请公布日期
1941.08.19
申请号
US19400338441
申请日期
1940.06.01
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
JR. WILLIAM RICHARD SCHMITZ,
分类号
B65H3/32
主分类号
B65H3/32
代理机构
代理人
主权项
地址
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