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经营范围
发明名称
Protective grating
摘要
申请公布号
GB2142369(A)
申请公布日期
1985.01.16
申请号
GB19830017854
申请日期
1983.06.30
申请人
BO * JOHANSSON
发明人
BO * JOHANSSON
分类号
E06B9/01;E06B9/02;(IPC1-7):E06B9/02
主分类号
E06B9/01
代理机构
代理人
主权项
地址
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