Safety device for windows,申请号US19390254486-传众专利搜索

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发明名称	Safety device for windows
摘要
申请公布号	US2181790(A)	申请公布日期	1939.11.28
申请号	US19390254486	申请日期	1939.02.03
申请人	HARRISON POLLOCK BENJAMIN	发明人	POLLOCK BENJAMIN HARRISON
分类号	A47L3/04	主分类号	A47L3/04
代理机构		代理人
主权项
地址

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