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经营范围
发明名称
METHOD OF MANUFACTURING PIPES
摘要
申请公布号
SU620301(A1)
申请公布日期
1978.08.25
申请号
SU19772438906
申请日期
1977.01.04
申请人
TAKUNOV IGOR V,SU
发明人
TAKUNOV IGOR V,SU
分类号
B21C37/08;(IPC1-7):B21C37/08
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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