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发明名称
Способ закреплени труб в трубных досках теплообменного аппарата
摘要
申请公布号
RU1036136(C)
申请公布日期
2006.05.10
申请号
SU19823378481
申请日期
1982.01.13
申请人
发明人
分类号
F28F9/18;B23K31/00;B23K101/14;B23P15/26
主分类号
F28F9/18
代理机构
代理人
主权项
地址
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