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发明名称
METHOD OF MANUFACTURING BLACKBOARD
摘要
申请公布号
JPS51139432(A)
申请公布日期
1976.12.01
申请号
JP19760053592
申请日期
1976.05.10
申请人
DAIDOU KOUHAN KK
发明人
TSUZUKI MASAHIKO;ARATO NOBUMASA
分类号
B43L1/10;B43L1/06
主分类号
B43L1/10
代理机构
代理人
主权项
地址
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