Blowing device for fluid-actuated tools,申请号US19300420703-传众专利搜索

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发明名称	Blowing device for fluid-actuated tools
摘要
申请公布号	US1798748(A)	申请公布日期	1931.03.31
申请号	US19300420703	申请日期	1930.01.14
申请人	INGERSOLL RAND COMPANY	发明人	MURPHY THOMAS L.
分类号	E21B21/16	主分类号	E21B21/16
代理机构		代理人
主权项
地址

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