Method and machine for manufacturing asbestos cement tubes,申请号US19550527466-传众专利搜索

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发明名称	Method and machine for manufacturing asbestos cement tubes
摘要
申请公布号	US2977276(A)	申请公布日期	1961.03.28
申请号	US19550527466	申请日期	1955.08.10
申请人	JOHNS-MANVILLE CORPORATION	发明人	COLLIVA DANTE
分类号	B28B21/48	主分类号	B28B21/48
代理机构		代理人
主权项
地址

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