Manhole cover for closed containers,申请号US19630302431-传众专利搜索

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发明名称	Manhole cover for closed containers
摘要
申请公布号	US3229845(A)	申请公布日期	1966.01.18
申请号	US19630302431	申请日期	1963.08.15
申请人	AKTIEBOLAGET SEPARATOR	发明人	SJOHOLM CLAES BERTIL;JACOBSSON FOLKE HENRY E.
分类号	F16J13/20	主分类号	F16J13/20
代理机构		代理人
主权项
地址

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