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经营范围
发明名称
METHODS OF FORMING MARKINGS ON METAL SURFACES
摘要
申请公布号
US3471385(A)
申请公布日期
1969.10.07
申请号
USD3471385
申请日期
1967.02.06
申请人
WILKINSON SWORD LTD.
发明人
RONALD H.V. FARRELL
分类号
B23H9/06;C25F3/14;G09F3/00;(IPC1-7):C23B3/02
主分类号
B23H9/06
代理机构
代理人
主权项
地址
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