In classical physics we could deduce conservation of energy, momentum and angular momentum from Newton's three laws.

But by Noether's theorem, conservation laws could be deduced from symmetries.

Could we deduce this conservation laws using only Galilean relativity without use of Newton's laws?

(Galilean relativity: all mechanical physical laws are same in all inertial frames)

In Newtonian physics we could deduce conservation of energy, momentum and angular momentum from Newton's three laws.

But by Noether's theorem, conservation laws could be deduced from symmetries.

Could we deduce this conservation laws using only Galilean relativity without use of Newton's laws?

(Galilean relativity: all mechanical physical laws are same in all inertial frames)