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发明名称
全中空承插型材
摘要
申请公布号
CN3348750D
申请公布日期
2004.01.21
申请号
CN03316480.0
申请日期
2003.05.19
申请人
刘长安
发明人
刘长安
分类号
25-01
主分类号
25-01
代理机构
南京天华专利代理有限责任公司
代理人
夏平
主权项
地址
253018 山东省德州市解放北路146号
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