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经营范围
发明名称
Liquid cooling apparatus
摘要
申请公布号
US1966648(A)
申请公布日期
1934.07.17
申请号
US19310523735
申请日期
1931.03.19
申请人
RYBERG FRITZ R
发明人
RYBERG FRITZ R.
分类号
F25D23/12
主分类号
F25D23/12
代理机构
代理人
主权项
地址
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