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发明名称
安全帽
摘要
申请公布号
CN3177052D
申请公布日期
2001.02.21
申请号
CN00308876.6
申请日期
2000.08.04
申请人
中华造船厂
发明人
曹道祥;沈海林;闵金妹
分类号
02-03-P0479
主分类号
02-03-P0479
代理机构
上海市东方专利事务所
代理人
李浩东
主权项
地址
200090上海市共青路130号
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