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经营范围
发明名称
VENTILATION CURTAINS
摘要
申请公布号
ZA8901688(B)
申请公布日期
1989.11.29
申请号
ZA19890001688
申请日期
1989.03.06
申请人
BROSEAL VENTILATION (PROPRIETARY) LIMITED
发明人
MICHAEL RICHARD STEFAN TYSZOWIECKI
分类号
E21F
主分类号
E21F
代理机构
代理人
主权项
地址
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