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发明名称
摘要
申请公布号
JPS5722060(Y2)
申请公布日期
1982.05.13
申请号
JP19770052137U
申请日期
1977.04.23
申请人
发明人
分类号
F04B39/00;(IPC1-7):F04B39/00
主分类号
F04B39/00
代理机构
代理人
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地址
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