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发明名称
TETE AMELIOREE POUR SOUDURE SOUS ATMOSPHERE DE CO2
摘要
申请公布号
FR2637521(B3)
申请公布日期
1990.09.07
申请号
FR19890013198
申请日期
1989.10.10
申请人
KAU CHUNG CHEN
发明人
JON-CON LIAN
分类号
B23K9/29;B23P15/24;(IPC1-7):B23K9/173
主分类号
B23K9/29
代理机构
代理人
主权项
地址
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