CN208717434U - 一种新型热镀锌钢管在线钝化装置 - Google Patents
一种新型热镀锌钢管在线钝化装置 Download PDFInfo
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Effective date of registration: 20210326 Address after: 050000 No.38, XiPai, 185 Gucheng East Road, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: SHIJIAZHUANG HONGJINLONG MATERIALS Co.,Ltd. Address before: 050000 south of Liyang village, qiutou Town, circular chemical industry park, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG ENJIAN BIOTECHNOLOGY Co.,Ltd. |
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