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发明名称
摘要
申请公布号
JPS648576(B2)
申请公布日期
1989.02.14
申请号
JP19840230585
申请日期
1984.10.31
申请人
SUGINO MACH
发明人
SUGINO KENJI;SUGINO TAKAYOSHI;NARUSE SHOHEI
分类号
B02C19/18;E21C37/00;E21C37/10
主分类号
B02C19/18
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