PRODUCING CONCRETE PIPE BY THE PACKERHEAD METHOD,申请号GB19850021655-传众专利搜索

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发明名称	PRODUCING CONCRETE PIPE BY THE PACKERHEAD METHOD
摘要
申请公布号	GB2179582(B)	申请公布日期	1989.12.13
申请号	GB19850021655	申请日期	1985.08.30
申请人	* INTERNATIONAL PIPE MACHINERY CORP	发明人	GERALD R * CRAWFORD;BRIAN J * KOZLOWSKI
分类号	B28B21/24;B28B21/56	主分类号	B28B21/24
代理机构		代理人
主权项
地址

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