Adjusting device for jars,申请号US19350018605-传众专利搜索

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发明名称	Adjusting device for jars
摘要
申请公布号	US2144810(A)	申请公布日期	1939.01.24
申请号	US19350018605	申请日期	1935.04.27
申请人	JAMES A. KAMMERDINER	发明人	RAYMOND EDWARD F.
分类号	E21B31/107	主分类号	E21B31/107
代理机构		代理人
主权项
地址

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