Mold for and method of making drainpipe splash blocks,申请号US19480037933-传众专利搜索

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发明名称	Mold for and method of making drainpipe splash blocks
摘要
申请公布号	US2571417(A)	申请公布日期	1951.10.16
申请号	US19480037933	申请日期	1948.07.09
申请人	BUCHANAN ROBERT F	发明人	BUCHANAN ROBERT F.
分类号	B28B7/00	主分类号	B28B7/00
代理机构		代理人
主权项
地址

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