in the control group, abdominal, particularly of ernie groin, consisting of at least four components which can be mounted and adjustable to requirements, size and shape of patient

摘要

Indicator tube detects the presence, with a mimimum concn. of 5x10 power (-3) MG/L, of mixtures of 2,2'-dichlor-tri-ethylamine, methyl-bis-beta-chlor-ethylamine and 2,2',2-tri-chlor-tri-ethylamine. Tube contains a polyethylene insert (2), filler (3) contg. calcium chloride, and superimposed indicator layer (4) of a bismuth salt, pref. bismuth-iodide, and glass wool (5).