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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2018     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 Light-emitting device and package for light-emitting device 专利 专利号: US9985411, 申请日期: 2018-05-29, 公开日期: 2018-05-29 作者:  MATSUSHITA, SHIGERU;  NAKAZAWA, KATSUYA;  OKAHISA, EIICHIRO;  KOZURU, KAZUMA 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/24 Bending beam bridge limiting device, has steel pin whose end is fixed on limit fixing through-hole and radial opening of movable through-hole and another end is fixed on bottom plate to form main beam fixed end and tangential movable end. 专利 申请日期: 2018-01-01, 公开日期: 2018-05-29 作者:  ZHANG Z HAUNG C WANG H JIANG T TAN Y 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/02 Research torsional vibration damping bridge flutter derivative force testing method, involves fixing servo motor on base, fixing two ends of bridge model with end plate, and calculating derivative according to least square technology. 专利 申请日期: 2018-01-01, 公开日期: 2018-02-13 作者:  XU F YANG J CENG D YING X 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/02 Ultrasonic vibration assistant restricting mold, has lower liner plate fixed on lower fixing plate and upper part of groove, upper fixing plate connected with guide column, and convex mold fixed with concave mold that is formed with bump. 专利 申请日期: 2018-01-01, 公开日期: 2018-02-09 作者:  BAI Q TANG H FENG H GUO C 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/02