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发明名称
Door construction
摘要
申请公布号
US1900079(A)
申请公布日期
1933.03.07
申请号
US19300422381
申请日期
1930.01.21
申请人
THE H. B. SMITH COMPANY
发明人
SMITH STANLEY K.
分类号
F23M7/00
主分类号
F23M7/00
代理机构
代理人
主权项
地址
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