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发明名称
Flexible hanger
摘要
申请公布号
US1994322(A)
申请公布日期
1935.03.12
申请号
US19340720193
申请日期
1934.04.12
申请人
THE AMERICAN GYPSUM CO.
发明人
O'NEIL WILLIAM F.
分类号
E04B9/18
主分类号
E04B9/18
代理机构
代理人
主权项
地址
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