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发明名称
摘要
申请公布号
JPS57172174(U)
申请公布日期
1982.10.29
申请号
JP19810058532U
申请日期
1981.04.24
申请人
发明人
分类号
F03B3/18;F03B11/00;(IPC1-7):F03B3/18
主分类号
F03B3/18
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代理人
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