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申请公布号
JPS53118721(U)
申请公布日期
1978.09.21
申请号
JP19770022522U
申请日期
1977.02.28
申请人
发明人
分类号
B42F1/02;B42F1/00;(IPC1-7):B42F1/00
主分类号
B42F1/02
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