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经营范围
发明名称
Improvements in Window Ventilators.
摘要
申请公布号
GB1179972(A)
申请公布日期
1970.02.04
申请号
GB19680006315
申请日期
1968.02.08
申请人
ALASTAIR RIGG MACDONALD
发明人
ALASTAIR RIGG MACDONALD
分类号
E06B7/02
主分类号
E06B7/02
代理机构
代理人
主权项
地址
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