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发明名称
摘要
申请公布号
FR2184760(A1)
申请公布日期
1973.12.28
申请号
FR19730017205
申请日期
1973.05.11
申请人
GUMMERS LTD,GB
发明人
分类号
G05D23/13;(IPC1-7):F16K11/10
主分类号
G05D23/13
代理机构
代理人
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