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经营范围
发明名称
Improvements in or relating to automatic electric arc welding
摘要
申请公布号
GB490339(A)
申请公布日期
1938.08.12
申请号
GB19370032974
申请日期
1937.11.29
申请人
"ELIN" AKTIENGESELLSCHAFT FUER ELEKTRISCHE INDUSTRIE
发明人
分类号
B23K9/12;B23K35/04
主分类号
B23K9/12
代理机构
代理人
主权项
地址
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