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薄壁金属钣金构件的无法兰边成形

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  • First Author:何祝斌

  • Disigner of the Invention:陈豪宇,张蓓佳,梁江凯,林艳丽,孔朋,王志彪,苑世剑

  • Application Number:202010249493.8

  • Authorization Date:2020-04-01

  • Authorization Number:ZL 202010249493.8

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