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发明名称
PRODUCTION OF BLACKBOARD
摘要
申请公布号
JPS552051(A)
申请公布日期
1980.01.09
申请号
JP19780074973
申请日期
1978.06.21
申请人
NITTO ELECTRIC IND CO
发明人
ROKUSHIYA TADAHIRO;TOMINAGA TAKASHI;ASOSHINA HIDESHI
分类号
B43L1/04;B29C39/00;B29C39/10
主分类号
B43L1/04
代理机构
代理人
主权项
地址
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