Tapered roofing shingle,申请号US19300455658-传众专利搜索

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发明名称	Tapered roofing shingle
摘要
申请公布号	US1952962(A)	申请公布日期	1934.03.27
申请号	US19300455658	申请日期	1930.05.26
申请人	THE PATENT AND LICENSING CORPORATION	发明人	AVERY HENRY C.
分类号	E04D1/28	主分类号	E04D1/28
代理机构		代理人
主权项
地址

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