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发明名称
摘要
申请公布号
JPS52156281(U)
申请公布日期
1977.11.28
申请号
JP19770061118U
申请日期
1977.05.12
申请人
发明人
分类号
B02C18/00;E03C1/266;(IPC1-7):B02C18/40
主分类号
B02C18/00
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