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发明名称
MULTIPLE ELECTRODE SUBMERGED ARC WELDING METHOD
摘要
申请公布号
JPH02295677(A)
申请公布日期
1990.12.06
申请号
JP19890116266
申请日期
1989.05.10
申请人
SUMITOMO METAL IND LTD
发明人
TANAKA YASUHIKO;TAKEGAWA KUNIO;HAYASHIDA MITSUHIRO;KATO YOSHIO
分类号
B23K9/18
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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