Method of manufacturing concrete pipe,申请号US19500154997-传众专利搜索

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发明名称	Method of manufacturing concrete pipe
摘要
申请公布号	US2701905(A)	申请公布日期	1955.02.15
申请号	US19500154997	申请日期	1950.04.10
申请人	STEAM-COTE CORPORATION	发明人	SULLIVAN ROBERT E.
分类号	B05B7/14;B28B21/44;B28B21/82	主分类号	B05B7/14
代理机构		代理人
主权项
地址

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