Valve stem straightening fixture,申请号US19300458341-传众专利搜索

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发明名称	Valve stem straightening fixture
摘要
申请公布号	US1836041(A)	申请公布日期	1931.12.15
申请号	US19300458341	申请日期	1930.05.31
申请人	RICKETTS JAMES R	发明人	RICKETTS JAMES R.
分类号	B21D3/10	主分类号	B21D3/10
代理机构		代理人
主权项
地址

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