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发明名称
PORTABLE WRITING DRAWING BOARD
摘要
申请公布号
JPH11165491(A)
申请公布日期
1999.06.22
申请号
JP19980265418
申请日期
1998.09.18
申请人
WADA RYOJI
发明人
WADA RYOJI
分类号
B43L5/02;F21L4/00;F21V33/00;(IPC1-7):B43L5/02;F21L11/00
主分类号
B43L5/02
代理机构
代理人
主权项
地址
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