Methods of manufacturing fluid-tight high-pressure pipes of reinforced concrete and pipes made according to said methods,申请号US19570663659-传众专利搜索

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发明名称	Methods of manufacturing fluid-tight high-pressure pipes of reinforced concrete and pipes made according to said methods
摘要
申请公布号	US2902056(A)	申请公布日期	1959.09.01
申请号	US19570663659	申请日期	1957.06.05
申请人	JOSEF BOSSNER	发明人	BOSSNER JOSEF
分类号	B28B21/72;F16L9/08;F16L25/00	主分类号	B28B21/72
代理机构		代理人
主权项
地址

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