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发明名称
DOOR CONSTRUCTION
摘要
申请公布号
CA512420(A)
申请公布日期
1955.05.03
申请号
CAD512420
申请日期
申请人
OLIVER C. ECKEL
发明人
OLIVER C. ECKEL
分类号
主分类号
代理机构
代理人
主权项
地址
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