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发明名称
RELIEF DEVICE
摘要
申请公布号
SU720188(A2)
申请公布日期
1980.03.05
申请号
SU19782653521
申请日期
1978.07.31
申请人
YURIN YURIJ A,SU
发明人
YURIN YURIJ A,SU
分类号
F04B45/04;F04B49/10;(IPC1-7):F04B45/04
主分类号
F04B45/04
代理机构
代理人
主权项
地址
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