Dear friends!
Excuse me for grammatical errors , as I do not speak the language at a sufficient level , so I have to use a translator .

Please tell me a grenade , made ​​in Romania factory M.A.N. equipped with a fuse VZ.GR.31
M.A.N. Romania 1939 Defensive
M.A.N. Romania 1939 Offensive

Directly interested in general information about the prerequisites of production, as well as information about its acceptance into service.
Addressed to you, as there is no documentary evidence that it exists, we do not have and can not find anywhere .

Thank you for your understanding!
Waiting for answers .
Sincerely RanZar .