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发明名称
变径直通连接铜管
摘要
省略其它视图。
申请公布号
CN3083079D
申请公布日期
1998.08.19
申请号
CN97321515.1
申请日期
1997.06.16
申请人
杨升松
发明人
杨升松
分类号
23-01-P0252
主分类号
23-01-P0252
代理机构
三环专利事务所
代理人
温 旭
主权项
地址
528425广东省中山市小榄菊城大道东区十三工业区星威制冷设备配件厂
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