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发明名称
METHOD OF SHARPENING POT BROACH RINGS
摘要
申请公布号
US3553909(A)
申请公布日期
1971.01.12
申请号
USD3553909
申请日期
1969.08.19
申请人
LEAR SIEGLER INC.
发明人
RICHARD W. TERSCH
分类号
B24B3/16;(IPC1-7):B24B1/00
主分类号
B24B3/16
代理机构
代理人
主权项
地址
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