kulonleges_csipeszek_osszeallitas_kk_20210412

  ppt:

https://docs.google.com/presentation/d/1ydQ7rkvHmf9oX-Z1r-KAx7saG7V-gHSIqTCwzd_oxAs/edit?usp=sharing

pdf:

https://drive.google.com/file/d/1tqW2fihoWgv8yBycUaB7UnZa8WeAYDCT/view?usp=sharing

KK_20210412

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