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发明名称
摘要
申请公布号
JPS5621523(Y2)
申请公布日期
1981.05.21
申请号
JP19770092653U
申请日期
1977.07.14
申请人
发明人
分类号
B27B17/00;(IPC1-7):B27B17/00
主分类号
B27B17/00
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代理人
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