WELDING MACHINE AND PROCEDURE FOR WELDING ATTACHMENTS TO BASE MEMBERS AND HAVING PROVISION FOR CHECKING FOR THE PRESENCE OF A WELDED ATTACHMENT AND THE ADEQUACY OF THE WELD
摘要
申请公布号
CA800137(A)
申请公布日期
1968.11.26
申请号
CAD800137
申请日期
申请人
GROTNES MACHINE WORKS
发明人
OSCAR W. GARVER;HANS W. KOPP;CHRISTIAN H. STETTLER;FREDERICK E. ULLMAN