Here's a bit more info:

69 = year
13327 = 133-13427 equates to Chevelle 300 Deluxe Series, 2 door coupe, 5 passenger
BF = Freemont assembly plant
752 = Black pattern coated fabric interior
50 = Dover white lower paint
50 = Dover white upper paint

12C = December, 3rd week
730423 is from block 24 of the build sheet and is a number assigned by Freemonts Data Processing department

92 is from bock 10 of build heet and is probably the number in the sequence (1-99) of the production of the car.

Great car - have lots of fun with it and post some pictures.

Regards,
Glenn