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经营范围
发明名称
LAPPING MACHINE
摘要
申请公布号
US3562964(A)
申请公布日期
1971.02.16
申请号
USD3562964
申请日期
1970.02.24
申请人
SPITFIRE TOOL & MACHINE CO. INC.
发明人
LAWRENCE DAY
分类号
B24B37/04;(IPC1-7):B24B55/02
主分类号
B24B37/04
代理机构
代理人
主权项
地址
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