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发明名称	Valve
摘要
申请公布号	US2283281(A)	申请公布日期	1942.05.19
申请号	US19410397698	申请日期	1941.06.12
申请人	REED ROLLER BIT COMPANY	发明人	OHLS ROBERT L.
分类号	F16K5/18	主分类号	F16K5/18
代理机构		代理人
主权项
地址

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