Private telephone branch exchanges.

Services relating to the advertising and promotion of chemical processes and chemical plant, including plant and processes relating to catalytic treatment of gases.

Quench vessels of metal; catalyst vessels predominantly of metal

Electrical engineering devices being goods included in Class 9, including devices for electronic communications; electronic semiconductor arrangements, intergrated circuits; television and radio receiving devices; electro-mechanical, optical and magnetic recording and reproducing devices for information, more particularly for sound and image signals; devices limiting dynamic range, devices for compressing, expanding and companding dynamic range; strip, sheet, plate and drum type recording carriers, more particularly records and video records; magnetic tape, magnetic foil, plates and drums; casings, boxes all of the aforesaid being goods in this class but none of the aforesaid goods being or including private telephone branch exchanges.