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发明名称
WELDING PIPES
摘要
申请公布号
IE802593(L)
申请公布日期
1981.07.24
申请号
IE19800002593
申请日期
1980.12.10
申请人
SAIPEM S.P.A.
发明人
分类号
B23K37/06;B23K9/035;B23K37/04;B23K37/053;(IPC1-7):B23K37/06
主分类号
B23K37/06
代理机构
代理人
主权项
地址
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