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经营范围
发明名称
DUST COLLECTING BLACKBOARD WIPER
摘要
申请公布号
JPH02151500(A)
申请公布日期
1990.06.11
申请号
JP19880306621
申请日期
1988.12.02
申请人
MISAIZU TAKAO
发明人
MISAIZU TAKAO
分类号
B43L21/02
主分类号
B43L21/02
代理机构
代理人
主权项
地址
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