Porous plug for staybolts and the manufacture thereof,申请号US19360077186-传众专利搜索

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发明名称	Porous plug for staybolts and the manufacture thereof
摘要
申请公布号	US2150927(A)	申请公布日期	1939.03.21
申请号	US19360077186	申请日期	1936.04.30
申请人	FLANNERY BOLT COMPANY	发明人	KILBORN WILLIAM T.;LANDGRAF FREDERICK K.
分类号	F22B7/16	主分类号	F22B7/16
代理机构		代理人
主权项
地址

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