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发明名称
拉链
摘要
申请公布号
CN3014905S
申请公布日期
1992.08.26
申请号
CN91305235.3
申请日期
1991.12.17
申请人
杨东晨
发明人
杨东晨
分类号
02-07
主分类号
02-07
代理机构
代理人
主权项
地址
630700四川省重庆煤矿安全仪器厂
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