JUS H B8 752-1982 122A 5fi-Hexachlorocyclohexane Water-dispersible povvder Electrometric determinat on of gamma- -isomer contsnt《1，2，3，4，5，6－六氯环己烷（高丙体六六六） 可分散于水中的粉剂 同分异构体含量的电势法测定》.pdf

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