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发明名称
摘要
申请公布号
JPS56140483(U)
申请公布日期
1981.10.23
申请号
JP19800038764U
申请日期
1980.03.26
申请人
发明人
分类号
B42F17/00;B42F17/02;B42F17/32;(IPC1-7):B42F17/02
主分类号
B42F17/00
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