Well-shooting device,申请号US19230662963-传众专利搜索

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发明名称	Well-shooting device
摘要
申请公布号	US1764222(A)	申请公布日期	1930.06.17
申请号	US19230662963	申请日期	1923.09.15
申请人	WILLIAM J. CHELEY	发明人	MORRISON JESSE A.;WILLIAMS EUGENE T.
分类号	F42B3/10	主分类号	F42B3/10
代理机构		代理人
主权项
地址

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