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发明名称
RING DRILL
摘要
申请公布号
SU607671(A1)
申请公布日期
1978.04.25
申请号
SU19742090386
申请日期
1974.12.30
申请人
SHERSTOBITOV GENNADIJ A,SU;BUDANTSEV VITALIJ A,SU
发明人
SHERSTOBITOV GENNADIJ A,SU;BUDANTSEV VITALIJ A,SU
分类号
B23B51/04
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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