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发明名称
Composite door
摘要
申请公布号
US1876772(A)
申请公布日期
1932.09.13
申请号
US19300476113
申请日期
1930.08.18
申请人
SIEVERS FREDERIC P
发明人
SIEVERS FREDERIC P.
分类号
E06B3/70
主分类号
E06B3/70
代理机构
代理人
主权项
地址
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