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中文
Home
Research
Research Field
Papers
Patents
Publications
Projects
Teaching
Teaching Resources
Teaching Information
Teaching Achievement
Awards and Honours
Enrollment Information
Student Information
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张建勋
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Patents
一种无损探伤用表面裂纹缺陷试块的制作方法
Release Time:2025-04-30
Hits:
Title:
一种无损探伤用表面裂纹缺陷试块的制作方法
Disigner of the Invention:
牛靖，张建勋
Type of Patent:
Invent
Application Number:
200910022922.1
Service Invention or Not:
No
Application Date:
2009-01-01
Date:
2025-04-30
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