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发明名称
Improvements in and relating to shutters or screens for windows and other openings
摘要
申请公布号
GB399337(A)
申请公布日期
1933.10.05
申请号
GB19320033682
申请日期
1932.11.28
申请人
EGON LEWIN
发明人
分类号
E06B9/06
主分类号
E06B9/06
代理机构
代理人
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