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经营范围
发明名称
Устройство для продольной сварки труб
摘要
申请公布号
SU37591(A1)
申请公布日期
1934.07.31
申请号
SU19320106845
申请日期
1932.04.06
申请人
IGNATEV A.M.
发明人
IGNATEV A.M.
分类号
B23K11/00;B21C37/08
主分类号
B23K11/00
代理机构
代理人
主权项
地址
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