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经营范围
发明名称
Improvements in or relating to gilled tubes
摘要
申请公布号
GB890239(A)
申请公布日期
1962.02.28
申请号
GB19590032907
申请日期
1959.09.28
申请人
E. GREEN & SON LIMITED
发明人
PARRIS CYRIL WRIGHT
分类号
F28F1/30
主分类号
F28F1/30
代理机构
代理人
主权项
地址
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