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发明名称
Arc welding electrodes
摘要
申请公布号
US2408620(A)
申请公布日期
1946.10.01
申请号
US19430511165
申请日期
1943.11.20
申请人
O. & F. COMPANY PROPRIETARY LIMITED
发明人
FRIEDLANDER ERWIN FELIX
分类号
B23K35/04;B23K35/30
主分类号
B23K35/04
代理机构
代理人
主权项
地址
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