Antifrost shield for windows,申请号US19320585774-传众专利搜索

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发明名称	Antifrost shield for windows
摘要
申请公布号	US1977899(A)	申请公布日期	1934.10.23
申请号	US19320585774	申请日期	1932.01.09
申请人	SAMUEL SHAPIRO	发明人	SHAPIRO BERNARD G.;SHAPIRO SAMUEL
分类号	B60J1/00	主分类号	B60J1/00
代理机构		代理人
主权项
地址

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