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GB/T 7375-1987 in English
Fluorinated methanes for industrial uses--Determination of purity--Gas chromatography
SUPERSEDED
Issued on:1987-02-16 | Implemented on:1987-07-01
$260.00 $253.00 -
GB/T 7373-1987 in English
monochloro difluoro methane for industrial uses
SUPERSEDED
Issued on:1987-02-16 | Implemented on:1987-07-01
$180.00 $175.00

