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经营范围
发明名称
Improved fibrous material for roofing, flooring, insulation and other purposes
摘要
申请公布号
GB562879(A)
申请公布日期
1944.07.20
申请号
GB19420001873
申请日期
1942.02.12
申请人
SIXTEN MAGNUS HJELTE
发明人
分类号
E04D5/02
主分类号
E04D5/02
代理机构
代理人
主权项
地址
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