:-)

Rabu, 30 Desember 2009

bahan kimia

acetaldehyde acetic acid ( asam asetat ) acetone ( aseton ) acetonitrile acrolein acrylic acid adipic acid ( asam adipat ) adiponitrile alumunium sulfate ammonium chloride ammonium nitrate aniline

Tidak ada komentar:

Poskan Komentar