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发明名称
Heating element for feed water preheaters
摘要
申请公布号
GB411761(A)
申请公布日期
1934.06.14
申请号
GB19330034841
申请日期
1933.12.11
申请人
PAUL KLEINEWEFFRS
发明人
分类号
F22D1/10
主分类号
F22D1/10
代理机构
代理人
主权项
地址
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