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经营范围
发明名称
Improvements in steam generators
摘要
申请公布号
GB673154(A)
申请公布日期
1952.06.04
申请号
GB19500010750
申请日期
1950.05.02
申请人
PAUL FRANCOIS BOUELLAT
发明人
分类号
F22B21/34
主分类号
F22B21/34
代理机构
代理人
主权项
地址
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