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Mahsulot tavsifi

This book discusses the hardness of water and methods of softening it

#suvning qattiqligi#na-karbonat qattiqlik#kaltsiy va magniy

Muallif

FARHODJON ALLAYAROV
FARHODJON ALLAYAROVTasdiqlangan muallif
Hujjatlari
8 120
Sotilgan
277

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