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发明名称
GAS MIXER FOR PREPARING GASEOUS MIXTURES TO BE USED AS PROTECTIVE ATMOSPHERE IN WELDING OPERATIONS
摘要
申请公布号
PL114525(B2)
申请公布日期
1981.02.28
申请号
PL19790215678
申请日期
1979.05.16
申请人
发明人
分类号
B01F;B01F5/06;B23K;B23K9/16;(IPC1-7):B01F5/06
主分类号
B01F
代理机构
代理人
主权项
地址
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