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发明名称
Verfahren und Vorrichtung zum Kennzeichnen von Metallteilen,insbesondere von rotgluehenden Metallknueppeln
摘要
申请公布号
DE1803764(A1)
申请公布日期
1969.06.19
申请号
DE19681803764
申请日期
1968.10.18
申请人
HEAD,WRIGHTSON AND COMPANY LTD.
发明人
HARRY WALKER,DEREK
分类号
B21C51/00
主分类号
B21C51/00
代理机构
代理人
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