PN Z04208-10-1992 Air purity protection Tests for phtalic acid esters Determination of butyl phtalate vapours in pennanent residence area air by gas chromatography with sample enrichment
1992PN Z04208-10-1992 Air purity protection Tests for phtalic acid esters Determination of butyl phtalate vapours in pennanent residence area air by gas chromatography with sample enrichment