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发明名称
摘要
申请公布号	BE688781(A)	申请公布日期	1967.03.31
申请号	BED688781	申请日期	1966.10.24
申请人		发明人
分类号	F16K1/30	主分类号	F16K1/30
代理机构		代理人
主权项
地址

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