中文

一种新型开颅锤

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  • Release time:2021-04-21

  • Patent Applicant:张长全, 谢凯

  • Type of Patent:Utility models

  • State of Patent:Authorized patents

  • Application Number:ZL201420867778.8

  • Service Invention or Not:no

  • Authorization Date:4215-08-01

  • First Author:guoyadong


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