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发明名称
TUBE EXPANDING DEVICES
摘要
申请公布号
GB1332461(A)
申请公布日期
1973.10.03
申请号
GBD1332461
申请日期
1971.04.19
申请人
FOSTER WHEELER JOHN BROWN BOILERS LTD
发明人
分类号
B21D39/06;B21D39/20;(IPC1-7):B21D39/06;B21D39/08
主分类号
B21D39/06
代理机构
代理人
主权项
地址
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