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发明名称
Pore hole seal for double windows
摘要
申请公布号
US2621397(A)
申请公布日期
1952.12.16
申请号
US19490073181
申请日期
1949.01.27
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
BLACK LLOYD V.
分类号
E06B3/677
主分类号
E06B3/677
代理机构
代理人
主权项
地址
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