ELECTROMECHANICAL RECORDER AUTOMATIC ZERO APPARATUS,申请号USD3581204-传众专利搜索

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发明名称	ELECTROMECHANICAL RECORDER AUTOMATIC ZERO APPARATUS
摘要
申请公布号	US3581204(A)	申请公布日期	1971.05.25
申请号	USD3581204	申请日期	1969.04.14
申请人	DOW CHEMICAL CO.:THE	发明人	FRED D. MARTIN
分类号	G01R17/00;G05D3/14;(IPC1-7):G01R1/02;G01R13/04	主分类号	G01R17/00
代理机构		代理人
主权项
地址

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