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经营范围
发明名称
Heat exchnager tube with finned inner surface
摘要
申请公布号
EP1342971(A3)
申请公布日期
2003.10.08
申请号
EP20030003894
申请日期
2003.02.21
申请人
WIELAND-WERKE AG
发明人
WALTHER, CHRISTOPH, DR.
分类号
F16L9/02;F28F1/40;F28F13/04;F28F13/12;(IPC1-7):F28F1/40
主分类号
F16L9/02
代理机构
代理人
主权项
地址
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