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经营范围
发明名称
Improved plastic sheeting and its applications
摘要
申请公布号
GB550534(A)
申请公布日期
1943.01.13
申请号
GB19410008705
申请日期
1941.07.10
申请人
E.I. DU PONT DE NEMOURS AND CO.
发明人
分类号
B44C1/24
主分类号
B44C1/24
代理机构
代理人
主权项
地址
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