Improvements in or relating to incandescent mantles,申请号GB19550021677-传众专利搜索

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发明名称	Improvements in or relating to incandescent mantles
摘要
申请公布号	GB785828(A)	申请公布日期	1957.11.06
申请号	GB19550021677	申请日期	1954.01.29
申请人	WOLFHARD GRAETZ	发明人
分类号	F21H1/00;F21H3/00	主分类号	F21H1/00
代理机构		代理人
主权项
地址

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