Hydraulic vibrator for pulp screens,申请号US19330678519-传众专利搜索

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发明名称	Hydraulic vibrator for pulp screens
摘要
申请公布号	US1993603(A)	申请公布日期	1935.03.05
申请号	US19330678519	申请日期	1933.06.30
申请人	HALIBURTON WILLIAM A	发明人	HALIBURTON WILLIAM A.
分类号	D21F1/18	主分类号	D21F1/18
代理机构		代理人
主权项
地址

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