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经营范围
发明名称
Improvements in or relating to doors
摘要
申请公布号
GB349408(A)
申请公布日期
1931.05.28
申请号
GB19300028429
申请日期
1930.09.23
申请人
VINCENT GLUCKSTEIN
发明人
分类号
E06B1/08
主分类号
E06B1/08
代理机构
代理人
主权项
地址
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