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发明名称
Hot-air-register construction
摘要
申请公布号
US1785993(A)
申请公布日期
1930.12.23
申请号
US19280311591
申请日期
1928.10.10
申请人
AUER GEORGE S
发明人
AUER GEORGE S.
分类号
F24F13/08
主分类号
F24F13/08
代理机构
代理人
主权项
地址
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