Bossed arm drilling machine,申请号US19300494432-传众专利搜索

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法人/股东/高管

发明名称	Bossed arm drilling machine
摘要
申请公布号	US1911303(A)	申请公布日期	1933.05.30
申请号	US19300494432	申请日期	1930.11.08
申请人	BROWN JR JOHN WILSON	发明人	JR. JOHN WILSON BROWN,
分类号	B23Q39/04	主分类号	B23Q39/04
代理机构		代理人
主权项
地址

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