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发明名称
Improved automatic arc-welding process
摘要
申请公布号
GB772761(A)
申请公布日期
1957.04.17
申请号
GB19540033014
申请日期
1954.11.15
申请人
GEBR. BOHLER & CO. AKTIENGESELLSCHAFT
发明人
分类号
B23K9/14
主分类号
B23K9/14
代理机构
代理人
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地址
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