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经营范围
发明名称
Ceiling supporting device
摘要
申请公布号
US2303544(A)
申请公布日期
1942.12.01
申请号
US19400318243
申请日期
1940.02.10
申请人
WILLIAM GOSS
发明人
GOSS WILLIAM
分类号
E04B1/41
主分类号
E04B1/41
代理机构
代理人
主权项
地址
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