Method of making and hardening steel tools provided with hard metal members,申请号US19310557337-传众专利搜索

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发明名称	Method of making and hardening steel tools provided with hard metal members
摘要
申请公布号	US1902513(A)	申请公布日期	1933.03.21
申请号	US19310557337	申请日期	1931.08.15
申请人	GEWERKSCHAFT WALLRAM	发明人	MEUTSCH ADOLF
分类号	B23C5/18;C21D9/22	主分类号	B23C5/18
代理机构		代理人
主权项
地址

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