Method of treating roofing elements,申请号US19330671015-传众专利搜索

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发明名称	Method of treating roofing elements
摘要
申请公布号	US1955131(A)	申请公布日期	1934.04.17
申请号	US19330671015	申请日期	1933.05.15
申请人	THE PATENT AND LICENSING CORPORATION	发明人	KIRSCHBRAUN LESTER
分类号	E04D1/26	主分类号	E04D1/26
代理机构		代理人
主权项
地址

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