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经营范围
发明名称
Improvements in floors, partitions and the like
摘要
申请公布号
GB387512(A)
申请公布日期
1933.02.09
申请号
GB19320004077
申请日期
1932.02.11
申请人
MAX HEYMANN
发明人
分类号
E04F15/20
主分类号
E04F15/20
代理机构
代理人
主权项
地址
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