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发明名称
A ROLLER GRATING
摘要
申请公布号
GB2176525(B)
申请公布日期
1988.04.20
申请号
GB19860009540
申请日期
1985.09.11
申请人
PETER * WOETMANN;BILL * JENSEN
发明人
IVAR HENNING * JENSEN
分类号
E06B9/18;(IPC1-7):E06B9/18
主分类号
E06B9/18
代理机构
代理人
主权项
地址
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