Thread-rolling tool,申请号US19420452722-传众专利搜索

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发明名称	Thread-rolling tool
摘要
申请公布号	US2349863(A)	申请公布日期	1944.05.30
申请号	US19420452722	申请日期	1942.07.29
申请人	CHASE BRASS & COPPER CO. INCORPORATED	发明人	HALLBERG AUGUST W.
分类号	B21H3/08	主分类号	B21H3/08
代理机构		代理人
主权项
地址

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