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经营范围
发明名称
Improvements in or relating to moistureproof sheets or films and methods of producing the same
摘要
申请公布号
GB550620(A)
申请公布日期
1943.01.18
申请号
GB19410008742
申请日期
1941.07.10
申请人
BRITISH CELLOPHANE LIMITED
发明人
分类号
C08J7/04
主分类号
C08J7/04
代理机构
代理人
主权项
地址
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