Chucking means for drill bits,申请号US19420457563-传众专利搜索

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法人/股东/高管

发明名称	Chucking means for drill bits
摘要
申请公布号	US2368077(A)	申请公布日期	1945.01.23
申请号	US19420457563	申请日期	1942.09.07
申请人	MCCARTHY JR JAMES F	发明人	JR. JAMES F. MCCARTHY,
分类号	B23P15/32	主分类号	B23P15/32
代理机构		代理人
主权项
地址

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