Improvements in or relating to shutters,申请号GB19460009260-传众专利搜索

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发明名称	Improvements in or relating to shutters
摘要
申请公布号	GB619052(A)	申请公布日期	1949.03.03
申请号	GB19460009260	申请日期	1946.03.26
申请人	HAWKES AND SNOW LIMITED;FREDERICK JAMES DEAN	发明人
分类号	G03B9/28	主分类号	G03B9/28
代理机构		代理人
主权项
地址

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