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发明名称
METHOD OF WELDING GIRTH JOINT OF PIPEELINE AND ITS DEVICE
摘要
申请公布号
JPS55109590(A)
申请公布日期
1980.08.23
申请号
JP19790017148
申请日期
1979.02.16
申请人
INST ELEKTROSWARKI PATONA
发明人
BUASHIRII YAKOBUREBUITSUCHI DE;REONIDO NIKORAEBUITSUCHI KOPIR;BUARENCHIN ANATORIEBUITSUCHI K;YURII IWANOBUITSUCHI SAPURIKIN;URADEIMIIRU IWANOBUITSUCHI SUR;BORISU EFUGENI
分类号
B23K31/00;B23K9/028
主分类号
B23K31/00
代理机构
代理人
主权项
地址
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