Valve operating mechanism,申请号US19520284052-传众专利搜索

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发明名称	Valve operating mechanism
摘要
申请公布号	US2697599(A)	申请公布日期	1954.12.21
申请号	US19520284052	申请日期	1952.04.24
申请人	HAMMEL-DAHL COMPANY	发明人	VANDAL NORMAND O.
分类号	F16K31/126	主分类号	F16K31/126
代理机构		代理人
主权项
地址

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