Quick sealing automatic sealing gate valve,申请号US19510243882-传众专利搜索

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发明名称	Quick sealing automatic sealing gate valve
摘要
申请公布号	US2660397(A)	申请公布日期	1953.11.24
申请号	US19510243882	申请日期	1951.08.27
申请人	VOLPIN ALEXANDER S	发明人	VOLPIN ALEXANDER S.
分类号	F16K3/36	主分类号	F16K3/36
代理机构		代理人
主权项
地址

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