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经营范围
发明名称
APPARATUS FOR WELDING WITH WORKING ZONE VENTILATION
摘要
申请公布号
SU1247217(A1)
申请公布日期
1986.07.30
申请号
SU19843751551
申请日期
1984.06.14
申请人
NII SANITARNOJ TEKHNIKI OBORU
发明人
ZELTSER ALEKSANDR YA,SU;KOSMIN ALEKSANDR O,SU;LIPTSYN FELIKS G,SU
分类号
B23K37/04;B23K37/00
主分类号
B23K37/04
代理机构
代理人
主权项
地址
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