rt significant defferences between kinds, types and the treatment of iraffinic oil Pertamina as a softener in rubber compound

1 I' I]N IILITIAN PEN G (; U NAAN PARA}'TTN IC O IL PERTAMI NA SEBAGAI MIIIYAK PEI,UNAK KOMPON KARIIT UNTUK SOL SBPATU KATWAS So$an Karani, Prayitno, ...
Author:  Ivan Kusuma

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