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发明名称
SHEET HOLDER
摘要
申请公布号
JPS5728610(A)
申请公布日期
1982.02.16
申请号
JP19800102492
申请日期
1980.07.28
申请人
HITACHI LTD
发明人
MURAMATSU YUTAKA
分类号
B21B39/14;B21B39/00
主分类号
B21B39/14
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代理人
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