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经营范围
发明名称
VALVE UNIT
摘要
申请公布号
GB9009682(D0)
申请公布日期
1990.06.20
申请号
GB19900009682
申请日期
1990.04.30
申请人
DAIRY PIPELINES LTD
发明人
分类号
F16K1/44;F16K11/20
主分类号
F16K1/44
代理机构
代理人
主权项
地址
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