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发明名称
FLOOR DUCT
摘要
申请公布号
CA384444(A)
申请公布日期
1939.10.03
申请号
CAD384444
申请日期
申请人
NATIONAL ELECTRIC PRODUCTS CORPORATION
发明人
INSLEE ADRIAN BENNETT
分类号
主分类号
代理机构
代理人
主权项
地址
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