Mahsulot tavsifi
This book discusses the hardness of water and methods of softening it
#suvning qattiqligi#na-karbonat qattiqlik#kaltsiy va magniy
Muallif

FARHODJON ALLAYAROVTasdiqlangan muallif
- Hujjatlari
- 8 120
- Sotilgan
- 277
This book discusses the hardness of water and methods of softening it
