Vibrator for loose materials, particularly concrete,申请号US19640373138-传众专利搜索

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发明名称	Vibrator for loose materials, particularly concrete
摘要
申请公布号	US3286991(A)	申请公布日期	1966.11.22
申请号	US19640373138	申请日期	1964.06.04
申请人	OLIVO PELLEGATTI	发明人	PELLEGATTI OLIVO
分类号	E04G21/08	主分类号	E04G21/08
代理机构		代理人
主权项
地址

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