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发明名称
ERASING DEVICE FOR SHEET WINDING TYPE WRITING BOARD
摘要
申请公布号
JPS58107400(A)
申请公布日期
1983.06.27
申请号
JP19810206131
申请日期
1981.12.22
申请人
NICHIGAKU KK
发明人
YOSHIDA TOMIO;YAMAZOE GIICHI;KAWABATA HIROMI;YAMADA MASAO
分类号
B43L1/08;B43L21/00
主分类号
B43L1/08
代理机构
代理人
主权项
地址
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