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发明名称
FLEXIBLE VENTILATION DUCTING
摘要
申请公布号
ZA8901687(B)
申请公布日期
1989.11.29
申请号
ZA19890001687
申请日期
1989.03.06
申请人
BROSEAL VENTILATION (PROPRIETARY) LIMITED
发明人
MICHAEL RICHARD STEFAN TYSZOWIECKI
分类号
F16L
主分类号
F16L
代理机构
代理人
主权项
地址
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