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经营范围
发明名称
WRITING BOARD
摘要
申请公布号
JPH1142891(A)
申请公布日期
1999.02.16
申请号
JP19970217167
申请日期
1997.07.28
申请人
RICOH ELEMEX CORP
发明人
NAGAYA SHUZO
分类号
B43L1/04;(IPC1-7):B43L1/04
主分类号
B43L1/04
代理机构
代理人
主权项
地址
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