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经营范围
发明名称
HEAT TRANSFER TUBE
摘要
申请公布号
GB2103518(B)
申请公布日期
1985.01.03
申请号
GB19810024973
申请日期
1981.08.14
申请人
* PYNTECH LIMITED
发明人
ROY CHARLES * BARNWELL
分类号
B21C37/22;B23P15/26;F28F1/12;(IPC1-7):B21C37/22;B21D53/06
主分类号
B21C37/22
代理机构
代理人
主权项
地址
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