Improvements in and relating to curved shanks or holders for welding electrodes or other tools adapted for the circulation of coolant fluid therethrough, and to the manufature thereof
摘要
申请公布号
GB616121(A)
申请公布日期
1949.01.17
申请号
GB19460025791
申请日期
1946.08.28
申请人
MALLORY METALLURGICAL PRODUCTS LIMITED;NORMAN ALBERT TUCKER
