CN208488315U - 一种高纯硅烷中杂质的质量分析装置 - Google Patents
一种高纯硅烷中杂质的质量分析装置 Download PDFInfo
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Effective date of registration: 20200731 Address after: No.118, Jianshi South Road, recycling chemical industry park, Shijiazhuang City, Hebei Province Patentee after: Hebei Zhongning Gas Chemical Co., Ltd Address before: 071000 No. 372, new North Street, Shibei District, Hebei, Baoding Patentee before: Cao Yongjie |