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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Prefabricated concrete frame assembling full-dry column structure, has cross structure whose transverse part is fixed with beam element, steel plate formed with hole, and prefabricated beam connected with end part of ribbed precast column. 专利 申请日期: 2018-01-01, 公开日期: 2018-05-29 作者:  ZHANG X SHA S WU Z OU J 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/02 Full-dry column structure for assembling prefabricated concrete frame structure, has reinforcing steel bar precast integral column node connected with prefabricated beam, and pre-column for keeping consistent with end part. 专利 申请日期: 2018-01-01, 公开日期: 2018-02-23 作者:  ZHANG X SHA S WU Z OU J 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Tungsten-base alloy material comprises specified amount of tungsten powder having specific purity and average grain diameter, carbon nanotube, and niobium powder having specific purity and volume average particle diameter. 专利 申请日期: 2012-01-01, 公开日期: 2012-10-03 作者:  DAI J HAO X SHA J WU G 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/18 Ultrasonic guided wave probe system for marine pipeline, has probe system unit modules sealed by water proof materials, and front probe system unit module and tail probe system unit module that are clamped by fast locking mechanism. 专利 申请日期: 2011-01-01, 公开日期: 2011-09-07 作者:  CAO J MA S ZHAO J SHA Y ZHANG E WU 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/18