Improvements in or relating to hot water bottles,申请号GB19390023645-传众专利搜索

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发明名称	Improvements in or relating to hot water bottles
摘要
申请公布号	GB533712(A)	申请公布日期	1941.02.19
申请号	GB19390023645	申请日期	1939.08.16
申请人	LAWRENCE GEORGE HAWKINS	发明人
分类号	A47C21/04;H05B3/80	主分类号	A47C21/04
代理机构		代理人
主权项
地址

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