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经营范围
发明名称
Wall construction
摘要
申请公布号
US1943285(A)
申请公布日期
1934.01.16
申请号
US19320635900
申请日期
1932.10.03
申请人
BOYLAND FRANK M
发明人
BOYLAND FRANK M.
分类号
E04B2/60
主分类号
E04B2/60
代理机构
代理人
主权项
地址
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