Automatic sealing gate valve,申请号GB19520018883-传众专利搜索

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发明名称	Automatic sealing gate valve
摘要
申请公布号	GB700848(A)	申请公布日期	1953.12.09
申请号	GB19520018883	申请日期	1952.07.25
申请人	ALEXANDER SAMUEL VOLPIN	发明人
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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