Pattern plates with shallow changeable wooden inserts for moulding boxes having inside dimensions 600x500 mm, 800x700 mm for moulding foundry machines with turn of half mould with squeezing. Design and dimensions
Electronics automated design systems. Information support. Technical characteristics of electronic components. Photosensitive devices. Declarative knowledge specifications according to technical characteristics
Electrical apparatus for use in the presence of combustible dust. Part 1. Electrical apparatus protected by enclosures and surface temperature limitation. Section 2. Selection, installation, and maintenance
