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发明名称
摘要
申请公布号
JPS5532689(Y2)
申请公布日期
1980.08.04
申请号
JP19760169417U
申请日期
1976.12.20
申请人
发明人
分类号
B21L9/00;B21L9/02;B21L9/06;B21L21/00;(IPC1-7):B21L9/06
主分类号
B21L9/00
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