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发明名称
WELDING METHOD FOR VVSHAPED GROOVE JOINT USING BACKING STRIPS
摘要
申请公布号
JPS53140242(A)
申请公布日期
1978.12.07
申请号
JP19770054552
申请日期
1977.05.12
申请人
NIPPON STEEL CORP
发明人
NAKAMURA NARUHIRO;NOJIMA SHIGEKI;SATOU YOSHIO;HOSONO TATSUMI
分类号
B23K9/035;B23K9/02
主分类号
B23K9/035
代理机构
代理人
主权项
地址
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