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经营范围
发明名称
Improvements in or relating to methods of strengthening the walls of steam drums or other pressure vessels around apertures formed therein
摘要
申请公布号
GB425336(A)
申请公布日期
1935.03.12
申请号
GB19340014809
申请日期
1934.05.16
申请人
NAAMLOOZE VENNOOTSCHAP MACHINERIEEN-EN APPARATEN FABRIEKEN
发明人
分类号
F22B37/00
主分类号
F22B37/00
代理机构
代理人
主权项
地址
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