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经营范围
发明名称
Heat exchange unit
摘要
申请公布号
US2828948(A)
申请公布日期
1958.04.01
申请号
US19540441512
申请日期
1954.07.06
申请人
CALDWELL JR SMILEY M;CALDWELL JOHN C
发明人
JR. SMILEY M. CALDWELL,;CALDWELL JOHN C.
分类号
C03B15/04
主分类号
C03B15/04
代理机构
代理人
主权项
地址
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