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经营范围
发明名称
PRODUCING TEMPERATURE DIFFERENCE
摘要
申请公布号
GB8326270(D0)
申请公布日期
1983.11.02
申请号
GB19830026270
申请日期
1983.09.30
申请人
HUGHES, J
发明人
分类号
F16C39/06;F25B29/00;(IPC1-7):F25B23/00
主分类号
F16C39/06
代理机构
代理人
主权项
地址
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