Screw and method of making same,申请号US19460656603-传众专利搜索

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发明名称	Screw and method of making same
摘要
申请公布号	US2565665(A)	申请公布日期	1951.08.28
申请号	US19460656603	申请日期	1946.03.23
申请人	THE OHIO NUT & BOLT COMPANY	发明人	REICH ROBERT A.
分类号	B21K1/44	主分类号	B21K1/44
代理机构		代理人
主权项
地址

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