Crossbar-type telegraph switching stations (substations). Signals and procedures of interaction between stations (substations) during the setting up of connections at the telex (AT-50), data transmission (PD-200) and gentex networks
Petroleum and natural gas industry. Subsea production systems. Fibre reinforced thermoplastic pipes. Design requirements, inspection methods and test methods
Mechanical properties of fasteners made of carbon steel and alloy steel. Part 2. Nuts with specified property classes with coarse thread and fine pitch thread
€10
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