Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electrical current; electric and electronic components, namely, electric filters in the nature of optical filters or antenna filters, electronic capacitors; electronic components, comprising individual electronic modules for functioning as a capacitor; the aforesaid apparatus, equipment and instruments, in particular for industrial purposes; structural parts of...

BUILDING MATERIALS, NAMELY, NON-METAL ROOFING