Thud and Blunder in "Knock-Off Time"
- ປີ: 1964
- ປະເທດ: United Kingdom
- ປະເພດ: Animation
- ສະຕູດິໂອ: National Coal Board Film Unit, BFI, TVC London
- ຄຳ ສຳ ຄັນ: safety, coal mining, miners, civil disobedience, collier, psa, public information film
- ຜູ້ ອຳ ນວຍການ:
- ຫລໍ່:
