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发明名称
摘要
申请公布号
GB1303931(A)
申请公布日期
1973.01.24
申请号
GB19710016828
申请日期
1971.05.25
申请人
发明人
分类号
F02P5/10;(IPC1-7):F02P5/00
主分类号
F02P5/10
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代理人
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地址
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