Straight adjusting device for fixing air-water pipeline
YAO GONGDE, GAO JIANMING, DUAN CHANGPENG, LI KAISHUN, SONG QINGFEI, SHAN ZHENYU, XU SHOUQI
Year of Publication 15.01.2021
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Year of Publication 15.01.2021
Patent
Laser pointing instrument fixing device which is accurate in pointing and convenient to adjust
YAO GONGDE, GAO JIANMING, DUAN CHANGPENG, LI KAISHUN, SONG QINGFEI, SHAN ZHENYU, XU SHOUQI
Year of Publication 15.01.2021
Get full text
Year of Publication 15.01.2021
Patent