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发明名称
摘要
申请公布号
JPS53115718(U)
申请公布日期
1978.09.14
申请号
JP19770020381U
申请日期
1977.02.21
申请人
发明人
分类号
B42F13/18;B42F13/16;(IPC1-7):B42F13/16
主分类号
B42F13/18
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代理人
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