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兰亮云; 邵国庆; 孔祥伟; 张一婷; 王艺南; 一种H型钢焊接装夹夹具, 2019-04-03,中国, CN201910267694.8

Release time:2022-04-14  Hits:

Service Invention or Not:no

Pre One: 张自成; 陈宁; 孙宏轩; 孔祥伟; 金属箔材气压微拉深成形设备及成形方法, 2019-04-05, 中国, CN201710303938.4 Next One: 张自成; 申玉鑫; 许艳云; 孔祥伟; 金属微细管旋转弯曲设备, 2019-02-05, 中国, CN201710509397.0

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