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张自成; 申玉鑫; 许艳云; 陈宁; 礼宾; 孔祥伟; 一种蛇形金属扁平管的成形方法及设备, 2017-10-13, 中国, CN201710600818.0

Release time:2022-04-14  Hits:

Service Invention or Not:no

Pre One: 孔祥伟; 陈鑫; 申德华; 一种施力方向可变的活口扳, 2017-11-21, 中国, 201710569959.0 Next One: 张自成; 陈宁; 礼宾; 孔祥伟; 一种组合式包装机, 2017-09-29, 中国, 201710459383.2

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