Retainer for plug valve barrels,申请号US19490094200-传众专利搜索

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发明名称	Retainer for plug valve barrels
摘要
申请公布号	US2621887(A)	申请公布日期	1952.12.16
申请号	US19490094200	申请日期	1949.05.19
申请人	FLOYD TODD	发明人	TODD FLOYD
分类号	B01L3/00;F16K5/02	主分类号	B01L3/00
代理机构		代理人
主权项
地址

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