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发明名称
无缝管节制作方法及其结构
摘要
申请公布号
TWI434002
申请公布日期
2014.04.11
申请号
TW099101013
申请日期
2010.01.15
申请人
顶天钢铁有限公司 新北市三重区光复路2段102巷1之2号
发明人
蔡朝琴
分类号
F16L49/00
主分类号
F16L49/00
代理机构
代理人
主权项
地址
新北市三重区光复路2段102巷1之2号
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