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发明名称
DOOR CONSTRUCTION
摘要
申请公布号
CA511221(A)
申请公布日期
1955.03.22
申请号
CAD511221
申请日期
申请人
THE KAWNEER COMPANY
发明人
CHARLES B. HUIZENGA
分类号
主分类号
代理机构
代理人
主权项
地址
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