000 00303nam a22001337a 4500
003 OSt
008 240202b |||||||| |||| 00| 0 eng d
082 _a621.912
_bP68S
100 _aPopov,,s
245 _aSharping of cultivy tools
260 _amir publication
_c1972
300 _a399
942 _2ddc
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999 _c36697
_d36697