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发明名称
PROTECTIVE GRATING
摘要
申请公布号
GB8317854(D0)
申请公布日期
1983.08.03
申请号
GB19830017854
申请日期
1983.06.30
申请人
JOHANSSON, B
发明人
分类号
E06B9/01;E06B9/02;(IPC1-7):E06B9/01
主分类号
E06B9/01
代理机构
代理人
主权项
地址
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