Venetian blind structure,申请号US19430504935-传众专利搜索

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发明名称	Venetian blind structure
摘要
申请公布号	US2341233(A)	申请公布日期	1944.02.08
申请号	US19430504935	申请日期	1943.10.04
申请人	NORTON HAZEL F	发明人	NORTON HAZEL F.
分类号	E06B9/386	主分类号	E06B9/386
代理机构		代理人
主权项
地址

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