Apparatus for drawing door knobs,申请号US19590854808-传众专利搜索

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发明名称	Apparatus for drawing door knobs
摘要
申请公布号	US3040684(A)	申请公布日期	1962.06.26
申请号	US19590854808	申请日期	1959.11.23
申请人	HILLGREN MFG. CO.	发明人	HILLGREN CARL C.
分类号	B21D26/02	主分类号	B21D26/02
代理机构		代理人
主权项
地址

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