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发明名称
DEVICE FOR CONTINUOUS CHANGE OF CROSS SECTIONAL AREA OF FLOW
摘要
申请公布号
CS264886(B1)
申请公布日期
1989.09.12
申请号
CS19870004134
申请日期
1987.06.05
申请人
NEVRALA MILAN ING.,CS;KVAPIL BRETISLAV ING.,CS
发明人
NEVRALA MILAN ING.,CS;KVAPIL BRETISLAV ING.,CS
分类号
F16K7/14;(IPC1-7):F16K7/14
主分类号
F16K7/14
代理机构
代理人
主权项
地址
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