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发明名称
摘要
申请公布号
DE2120941(B2)
申请公布日期
1980.04.24
申请号
DE19712120941
申请日期
1971.04.28
申请人
K.K. KOMATSU SEISAKUSHO, TOKIO
发明人
ATSUTA, HYSAYOSHI;KOETSUKA, YOKICHI
分类号
B21D37/14;B30B15/02;B60S9/14;(IPC1-7):B30B15/02
主分类号
B21D37/14
代理机构
代理人
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