Button bottom pile,申请号US19480043201-传众专利搜索

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发明名称	Button bottom pile
摘要
申请公布号	US2554896(A)	申请公布日期	1951.05.29
申请号	US19480043201	申请日期	1948.08.09
申请人	WESTERN FOUNDATION CORPORATION	发明人	CAUDILL HOWARD F.
分类号	E02D5/38;E02D5/72	主分类号	E02D5/38
代理机构		代理人
主权项
地址

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