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发明名称
DEVICE FOR SHARP BENDING OF PIPE UNIONS
摘要
申请公布号
SU1680408(A1)
申请公布日期
1991.09.30
申请号
SU19894649222
申请日期
1989.02.13
申请人
ERSHOV VLADISLAV,SU;ARZAMASTSEV LEONID,SU
发明人
ERSHOV VLADISLAV I,SU;ARZAMASTSEV LEONID I,SU
分类号
B21D9/12
主分类号
B21D9/12
代理机构
代理人
主权项
地址
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