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发明名称
Improvements in rollers for roller blinds
摘要
申请公布号
GB367075(A)
申请公布日期
1932.02.18
申请号
GB19300036636
申请日期
1930.12.04
申请人
LARS SIGFRID HAMMARBAECK
发明人
分类号
E06B9/44
主分类号
E06B9/44
代理机构
代理人
主权项
地址
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