BERKEFELD FILTER.

\bˈɜːkɪfˌɛld fˈɪltə], \bˈɜːkɪfˌɛld fˈɪltə], \b_ˈɜː_k_ɪ_f_ˌɛ_l_d f_ˈɪ_l_t_ə]\

Definitions of BERKEFELD FILTER.

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1916 - Appleton's medical dictionary
By Smith Ely Jelliffe