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经营范围
发明名称
Improvements in or relating to window frames
摘要
申请公布号
GB504420(A)
申请公布日期
1939.04.25
申请号
GB19380013799
申请日期
1938.05.09
申请人
JOSEF ISAK HASKEL
发明人
分类号
E06B1/38
主分类号
E06B1/38
代理机构
代理人
主权项
地址
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