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发明名称
摘要
申请公布号
JPS5216420(Y2)
申请公布日期
1977.04.13
申请号
JP19720142593U
申请日期
1972.12.12
申请人
发明人
分类号
F04B39/00;F04B39/06;F04B39/12;F04B49/10;F25B1/02;(IPC1-7):F04B39/12
主分类号
F04B39/00
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代理人
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