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发明名称
A DEVICE FOR PRE-CALIBRATING HOLLOW CYLINDRICAL BODIES IN SEAM WELDING MACHINES
摘要
申请公布号
GB2225548(A)
申请公布日期
1990.06.06
申请号
GB19890019789
申请日期
1989.09.01
申请人
* CEFIN SPA
发明人
LUIGI * PAZZAGLIA
分类号
B21D51/26;B23K11/06;B23K11/08;B23K37/053
主分类号
B21D51/26
代理机构
代理人
主权项
地址
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