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发明名称
ALLOY FOR MAKING COLD WORKING TOOL SPECIAL STEELS
摘要
申请公布号
GB9123362(D0)
申请公布日期
1991.12.18
申请号
GB19910023362
申请日期
1991.11.02
申请人
VENANZETTI SRL
发明人
分类号
C22C38/22;C22C38/24
主分类号
C22C38/22
代理机构
代理人
主权项
地址
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