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经营范围
发明名称
Improvements in fire escapes and the like
摘要
申请公布号
GB339565(A)
申请公布日期
1930.12.11
申请号
GB19300006665
申请日期
1930.02.28
申请人
JOHANN KOLESZA
发明人
分类号
A62B1/06
主分类号
A62B1/06
代理机构
代理人
主权项
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