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摘要
申请公布号
JPS5287686(U)
申请公布日期
1977.06.30
申请号
JP19750177972U
申请日期
1975.12.25
申请人
发明人
分类号
B26D1/14;B02C18/00;B02C18/06;B02C18/14;B02C19/20;(IPC1-7):B02C18/00;B02C19/12
主分类号
B26D1/14
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代理人
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