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发明名称
摘要
申请公布号
SU361319(A1)
申请公布日期
1972.12.07
申请号
SU19701464759
申请日期
1970.08.03
申请人
发明人
分类号
F15B13/00;F15B21/00;F15C1/02;(IPC1-7):F15B21/00
主分类号
F15B13/00
代理机构
代理人
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