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发明名称
塑料球阀(内螺纹四)
摘要
申请公布号
CN300853330D
申请公布日期
2008.11.26
申请号
CN200730149293.0
申请日期
2007.07.12
申请人
杨小云
发明人
杨小云
分类号
23-01
主分类号
23-01
代理机构
代理人
主权项
地址
315420浙江省余姚市马渚镇施张夏村
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