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经营范围
发明名称
OPEN GRID GRATING
摘要
申请公布号
ZA8904188(B)
申请公布日期
1990.03.28
申请号
ZA19890004188
申请日期
1989.06.02
申请人
VITAL ENGINEERING (PROPRIETARY) LIMITED
发明人
DODDS BEAUMONT PRINGLE
分类号
E04C
主分类号
E04C
代理机构
代理人
主权项
地址
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