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浏览/检索结果: 共2条，第1-2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 180-degree turnover locating device, has locating pin matched to locating pin hole, and positioning plate whose surface is matched with V-shaped groove and sides of V-shaped groove are matched with axis of inverted mandrel. 专利 申请日期: 2018-01-01, 公开日期: 2018-03-23 作者:   收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Absorbent for removing trace sulfur dioxide in fuel battery oxidizer, is calcium oxide/foam carbon composite compound prepared by dispersing calcium carbonate and phenolic resin, soaking high polymer foam in dispersion and carbonizing. 专利 申请日期: 2011-01-01, 公开日期: 2011-10-12 作者:  LING Z QIU J WAN P XIAO N YANG J 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/18