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发明名称
DOOR CONSTRUCTION
摘要
申请公布号
US3436861(A)
申请公布日期
1969.04.08
申请号
USD3436861
申请日期
1967.06.13
申请人
AIR REDUCTION CO. INC.
发明人
GEORGE ROBERT KOCH
分类号
F27D1/18;F23M7/00;(IPC1-7):E05D15/28;E05D15/40;E05C9/00
主分类号
F27D1/18
代理机构
代理人
主权项
地址
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