Chuck for broaching steel,申请号US19290405019-传众专利搜索

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发明名称	Chuck for broaching steel
摘要
申请公布号	US1828862(A)	申请公布日期	1931.10.27
申请号	US19290405019	申请日期	1929.11.05
申请人	INGERSOLL-RAND COMPANY	发明人	HANSEN CHARLES C.
分类号	B23D41/04;B28D1/26	主分类号	B23D41/04
代理机构		代理人
主权项
地址

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