ZHENWEI

#Armillary spheres, planetaria, astronomic orbits, atomic models, molecular models #Quadrilaterals #Letters presenting a special form of writing #Inscriptions in chinese, japanese or korean characters #Other irregular parallelograms, trapezia and quadrilaterals, quadrilaterals containing one or more rounded corners #Quadrilaterals containing one or more other geometrical figures (specify the content) #Quadrilaterals containing other figurative elements #Quadrilaterals containing one or more letters #Quadrilaterals with dark surfaces or parts of surfaces #Series of letters presenting different forms of writing #28.03.00