Method and means for producing concrete pipes,申请号US19290407226-传众专利搜索

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发明名称	Method and means for producing concrete pipes
摘要
申请公布号	US2009604(A)	申请公布日期	1935.07.30
申请号	US19290407226	申请日期	1929.11.14
申请人	HANS H. JORGENSEN	发明人	BRADEN ALLEN L.
分类号	B28B21/74	主分类号	B28B21/74
代理机构		代理人
主权项
地址

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