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经营范围
发明名称
Heat exchangers
摘要
申请公布号
US2768813(A)
申请公布日期
1956.10.30
申请号
US19450596228
申请日期
1945.05.28
申请人
BOYER ROBERT Q
发明人
BOYER ROBERT Q.
分类号
B01D1/12;B01D59/44
主分类号
B01D1/12
代理机构
代理人
主权项
地址
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