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发明名称
Improvements in tube plates for heat-exchangers
摘要
申请公布号
GB1103596(A)
申请公布日期
1968.02.21
申请号
GB19640024857
申请日期
1964.06.16
申请人
J. & E. HALL LIMITED
发明人
CONSTANT LEONARD CHARLES
分类号
B22D19/00
主分类号
B22D19/00
代理机构
代理人
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地址
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