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经营范围
发明名称
Walls, floors, roofs
摘要
申请公布号
GB2023215(A)
申请公布日期
1979.12.28
申请号
GB19790020961
申请日期
1979.06.15
申请人
LUDDINGTON ENTERPRISES LTD
发明人
分类号
E04B1/16;E04B2/86;(IPC1-7):E04G11/00
主分类号
E04B1/16
代理机构
代理人
主权项
地址
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