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经营范围
发明名称
Improvements in and relating to roof or wall panels
摘要
申请公布号
GB591434(A)
申请公布日期
1947.08.18
申请号
GB19450011699
申请日期
1945.05.10
申请人
WILLIAM HENRY ANSON
发明人
分类号
E04D12/00
主分类号
E04D12/00
代理机构
代理人
主权项
地址
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