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发明名称
摘要
申请公布号
JPS52115901(U)
申请公布日期
1977.09.02
申请号
JP19760023129U
申请日期
1976.02.28
申请人
发明人
分类号
F04B19/00;F04B23/00;F04B49/06;(IPC1-7):F04B19/00;F04B21/00
主分类号
F04B19/00
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