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经营范围
发明名称
Roof structure
摘要
申请公布号
US2210941(A)
申请公布日期
1940.08.13
申请号
US19390258633
申请日期
1939.02.27
申请人
LEEMHUIS JOHANNES C P
发明人
LEEMHUIS JOHANNES C. P.
分类号
E04B7/20;E04D3/26
主分类号
E04B7/20
代理机构
代理人
主权项
地址
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