METHOD OF AND APPARATUS FOR ARRANGING TWIST DRILLS DURING HARDENING,申请号PL19770199666-传众专利搜索

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发明名称	METHOD OF AND APPARATUS FOR ARRANGING TWIST DRILLS DURING HARDENING
摘要
申请公布号	PL113668(B1)	申请公布日期	1980.12.31
申请号	PL19770199666	申请日期	1977.07.15
申请人		发明人
分类号	C21D;C21D9/22;(IPC1-7):C21D9/22	主分类号	C21D
代理机构		代理人
主权项
地址

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