Improvements in tool chucks,申请号GB19320015887-传众专利搜索

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发明名称	Improvements in tool chucks
摘要
申请公布号	GB390970(A)	申请公布日期	1933.04.20
申请号	GB19320015887	申请日期	1932.06.04
申请人	ALBERT URBAHN, SENIOR;RUDOLF URBAHN;OTTO URBAHN;ALBERT URBAHN, JUNIOR	发明人
分类号	B23B31/12	主分类号	B23B31/12
代理机构		代理人
主权项
地址

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