The rules that use the vocabulary item "37mm anti air machine gun" are:

<i_f_v-sing>

37mm anti air machine gun

<specific_section_type-not_creatable-sing>

37mm anti air machine gun

<specific_team_type-sing>

37mm anti air machine gun

<specific_section_type-creatable-sing>

37mm anti air machine gun

<specific_team_type-creatable-sing>

37mm anti air machine gun

<i_f_v>

37mm anti air machine gun

<specific_team_type-not_creatable-sing>

37mm anti air machine gun

<specific_section_type-sing>

37mm anti air machine gun