That example work was carried by ArmourModelling Vol.18 ( 1999 December issue).
Mr. Ashino scratched some addition parts by him on that Type74G. (Those are not parts on the market).
The article of the real tank was carried by Panzer No.271 (1995 December issue).
These 4 Type74G is manufactured, and deployed in unit of Fuji now.
http://tankguy.gooside.com/type74history/Type74History.html
Regards.
Takashi