Metal double hung window,申请号US19350053237-传众专利搜索

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发明名称	Metal double hung window
摘要
申请公布号	US2120614(A)	申请公布日期	1938.06.14
申请号	US19350053237	申请日期	1935.12.06
申请人	JORSS KARL F	发明人	JORSS KARL F.
分类号	E06B3/44	主分类号	E06B3/44
代理机构		代理人
主权项
地址

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