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吴玉泉; 杨诗绕; 刘楷文; 周宣军; 孔祥伟; 一种具有避障功能的铣削式路面除冰设备, 2019-8-23, 中国, CN201822012406.8

Release time:2022-04-14  Hits:

Service Invention or Not:no

Pre One: 孔祥伟; 丁俊楷; 陈鑫; 一种盾构机刀具磨损试验机, 2019-08-02, 中国, ZL201710583360.2 Next One: 张自成; 程述伟; 李贺杰; 孔祥伟; 一种试样表面处理辅助设备, 2019-08-20, 中国, ZL20191041126.X

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