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摘要
申请公布号
DE2829148(B2)
申请公布日期
1980.06.04
申请号
DE19782829148
申请日期
1978.07.03
申请人
YOSHIZAWA, DAISUKE, TOTTORI (JAPAN)
发明人
YOSHIZAWA, DAISUKE, TOTTORI (JAPAN)
分类号
E01H3/02;E01H1/10;E01H5/00;E01H5/10;E01H11/00;E21D9/10;(IPC1-7):E01H5/00
主分类号
E01H3/02
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