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US3427426A Welding machine and procedure for welding attachments to base members and having provision for inhibiting welding when the base members are misoriented 失效
焊接机器和焊接附件的程序和基层成员的焊接程序,并且当基础成员被滥用时对焊接进行抑制

Welding machine and procedure for welding attachments to base members and having provision for inhibiting welding when the base members are misoriented
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