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发明名称
APPARATUS FOR WORKING SPHERICAL SURFACES
摘要
申请公布号
SU869977(A1)
申请公布日期
1981.10.07
申请号
SU19792859356
申请日期
1979.12.25
申请人
URALSKIJ POLT I IM.S.M.KIROVA
发明人
POLYAKOV ALEKSEJ A,SU;ARTEMKIN ALEKSEJ A,SU
分类号
B23B5/40;(IPC1-7):B23B5/40
主分类号
B23B5/40
代理机构
代理人
主权项
地址
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