Improvements in, or relating to, safety valves for steam pressure cookers,申请号GB19480002748-传众专利搜索

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发明名称	Improvements in, or relating to, safety valves for steam pressure cookers
摘要
申请公布号	GB640550(A)	申请公布日期	1950.07.19
申请号	GB19480002748	申请日期	1948.01.30
申请人	THE MIDLAND METAL SPINNING COMPANY, LIMITED;JOHN MANSFIELD WYER	发明人
分类号	A47J27/09	主分类号	A47J27/09
代理机构		代理人
主权项
地址

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