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发明名称
APPARATUS FOR PUNCHING WINDOWS IN THIN-WALL TUBES
摘要
申请公布号
SU995997(A1)
申请公布日期
1983.02.15
申请号
SU19813273079
申请日期
1981.04.14
申请人
EXNII KUZNECHNO-PRESSOVOGO MASHINOSTROENIYA
发明人
RYABYKH NIKOLAJ I,SU;IVANOV MIKHAIL V,SU;BAKAEV EGOR I,SU
分类号
B21D28/28;(IPC1-7):B21D28/28
主分类号
B21D28/28
代理机构
代理人
主权项
地址
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