HelveNeuLTBolCon

Hello,

I'm working with windows computer.

I received one indesign file to open and edit... this is helvetica fonts.. but weird...:

I need these fonts:

HelveNeuLTBolCon

HelveNeuLTCon

HelveNeuLTHeaCon

HelveNeuLTLig

HelveNeuLTLigCon

HelveNeuLTLiglta

HelveNeuLTMed

HelveNeuLTMedCon

HelveNeuLTThi

HelveNeuLTThiCon

I check with my boss to buy the Helvetica Font pack (51 fonts), but i'm not sure those fonts will be in the pack...

Are they official Helvetica fonts? Can you help me?

Thank you in advance for your support