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经营范围
发明名称
Improvements in or relating to check and foot valves
摘要
申请公布号
GB772690(A)
申请公布日期
1957.04.17
申请号
GB19550007393
申请日期
1955.03.14
申请人
AMES IRRIGATION PTY. LIMITED
发明人
分类号
F04B53/10;F04D9/00;F16K15/03
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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