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发明名称
摘要
申请公布号
DE2837420(C2)
申请公布日期
1985.07.04
申请号
DE19782837420
申请日期
1978.08.28
申请人
KOYO SEIKO CO., LTD., OSAKA, JP
发明人
OKUDA, HIROJI, NARA, JP
分类号
E02B3/20;B63B21/00;E02B3/24;(IPC1-7):B63B21/00
主分类号
E02B3/20
代理机构
代理人
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