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经营范围
发明名称
Ceiling
摘要
申请公布号
US1878812(A)
申请公布日期
1932.09.20
申请号
US19300480303
申请日期
1930.09.08
申请人
EPHRAIM BANNING
发明人
BERGER LOUIS A.
分类号
E04B9/06;E04B9/16
主分类号
E04B9/06
代理机构
代理人
主权项
地址
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