Window or screen cleaning devices,申请号GB19330032380-传众专利搜索

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发明名称	Window or screen cleaning devices
摘要
申请公布号	GB413551(A)	申请公布日期	1934.07.19
申请号	GB19330032380	申请日期	1933.11.20
申请人	CARL LUDVIK GRAN	发明人
分类号	A47L1/16	主分类号	A47L1/16
代理机构		代理人
主权项
地址

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