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发明名称
BORE-WORKING EXPANSION TOOL
摘要
申请公布号
SU634873(A1)
申请公布日期
1978.11.30
申请号
SU19772479899
申请日期
1977.04.25
申请人
G SOYUZNYJ KH INSTRUMENTALNYJ ZAVOD
发明人
DROZHIN VITALIJ FEDOROVICH,SU;BELYAVSKIJ DMITRIJ EJZEROVICH,SU
分类号
B23D77/02;(IPC1-7):B23D77/02
主分类号
B23D77/02
代理机构
代理人
主权项
地址
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