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发明名称
RULING METHOD FOR WRITING BOARD
摘要
申请公布号
JPH07329489(A)
申请公布日期
1995.12.19
申请号
JP19940150340
申请日期
1994.06.07
申请人
UMAJIRUSHI:KK
发明人
KATO SENICHI
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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