Vibration device enclosed in the core of molds for casting concrete pipes,申请号US19630286571-传众专利搜索

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发明名称	Vibration device enclosed in the core of molds for casting concrete pipes
摘要
申请公布号	US3177554(A)	申请公布日期	1965.04.13
申请号	US19630286571	申请日期	1963.06.10
申请人	AB SKANSKA CEMENTGJUTERIET	发明人	LARKFELDT OWE CARL GUNNAR
分类号	B28B21/16	主分类号	B28B21/16
代理机构		代理人
主权项
地址

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