Manufactured articles filled with feather and down. Method for the determination of a filled product's total mass and of the mass of the filling— 8 стр.
Manufactured articles filled with feather and down. Method for the determination of a filled product's total mass and for the determination of the mass of the filling— 8 стр.
Manufactured articles filled with feather and down. Method for the determination of a filled product's total mass and for the determination of the mass of the filling— 8 стр.