Valve wheel wrench,申请号US19580715019-传众专利搜索

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发明名称	Valve wheel wrench
摘要
申请公布号	US2920517(A)	申请公布日期	1960.01.12
申请号	US19580715019	申请日期	1958.02.13
申请人	WILLEY JR ALFRED	发明人	JR. ALFRED WILLEY,
分类号	B25B13/48;F16K31/60;G05G1/08	主分类号	B25B13/48
代理机构		代理人
主权项
地址

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