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发明名称
Roof structure
摘要
申请公布号
US3173224(A)
申请公布日期
1965.03.16
申请号
US19610136273
申请日期
1961.09.06
申请人
SCHONBERG AAGAARD GEORG CHRIST
发明人
AAGAARD GEORG CHRISTIAN SCHONBERG
分类号
E04B7/22;E04D3/35;E04D3/366;E04D3/38;E04D13/064
主分类号
E04B7/22
代理机构
代理人
主权项
地址
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