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法人/股东/高管
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发明名称
Improvements in or relating to heat-exchangers, pipes therefor, and the manufacture of such pipes
摘要
申请公布号
GB835535(A)
申请公布日期
1960.05.25
申请号
GB19580033032
申请日期
1958.10.16
申请人
ERIK RAGNAR NILSSON
发明人
分类号
B22D19/00
主分类号
B22D19/00
代理机构
代理人
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