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发明名称
ARRANGEMENT FOR CHAMFERING AT THE TUBE SECTION ENDS
摘要
申请公布号
SU1537408(A1)
申请公布日期
1990.01.23
申请号
SU19874223906
申请日期
1987.04.08
申请人
ZVONETSKIJ IVAN,SU
发明人
ZVONETSKIJ IVAN I,SU
分类号
B23C3/12
主分类号
B23C3/12
代理机构
代理人
主权项
地址
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