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经营范围
发明名称
Heat transfer apparatus
摘要
申请公布号
US2693942(A)
申请公布日期
1954.11.09
申请号
US19520292403
申请日期
1952.06.09
申请人
GULF OIL CORPORATION
发明人
GUALA JOHN R.
分类号
F28F9/22
主分类号
F28F9/22
代理机构
代理人
主权项
地址
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