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发明名称
POSITIONING DEVICE FOR U-PIPES OF HEAT EXCHANGERS WELDING
摘要
申请公布号
CS265550(B1)
申请公布日期
1989.10.13
申请号
CS19880001708
申请日期
1988.03.16
申请人
KALVODA VLADIMIR ING.,CS
发明人
KALVODA VLADIMIR ING.,CS
分类号
B23K37/04;(IPC1-7):B23K37/04
主分类号
B23K37/04
代理机构
代理人
主权项
地址
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