Need ID on grenades

[weberoed]

Need an ID on these grenades, suppose to be European, but found in South east asia -
sorry no measurements - appears to be Thai writing, but my contact there has no ID on them either

 

[weberoed]

popping these back up for comment - there has been some discussion that they are Thai manufactured under license or maybe even their own design. Strange though, the ordnance man in Thailand (and others there) have no idea where the grenade or the book the pictures are in came from.

 

[Francesco_Dif]

Finded another picture; no macth about european grenades. 100% thai manufacture.

 

[weberoed]

Found this picture, the right is a frag, center is HEAT and right is air burst. The middle one looks very familiar, these are made in Thailand, but they look like Belgium copies . I ahve seen the HET one before but can not rememeber where