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经营范围
发明名称
VENTILATIESCHUIF.
摘要
申请公布号
NL185471(B)
申请公布日期
1989.11.16
申请号
NL19790004106
申请日期
1979.05.23
申请人
ADRIANUS JACOBUS ZWAAN TE VOORSCHOTEN.
发明人
分类号
E06B7/02;F24F13/12;(IPC1-7):F24F13/12
主分类号
E06B7/02
代理机构
代理人
主权项
地址
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