Exhaust-pressure-control valve,申请号US19270228135-传众专利搜索

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发明名称	Exhaust-pressure-control valve
摘要
申请公布号	US1748496(A)	申请公布日期	1930.02.25
申请号	US19270228135	申请日期	1927.10.24
申请人	NATIONAL PNEUMATIC COMPANY	发明人	ROWNTREE HAROLD
分类号	E05F15/02	主分类号	E05F15/02
代理机构		代理人
主权项
地址

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