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经营范围
发明名称
Venting apparatus
摘要
申请公布号
ZA9403693(B)
申请公布日期
1995.01.25
申请号
ZA19940003693
申请日期
1994.05.26
申请人
MCDONALD EAN LAWRENCE
发明人
EAN LAWRENCE MCDONALD
分类号
E04D
主分类号
E04D
代理机构
代理人
主权项
地址
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