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Grid connected photovoltaic systems. Minimum requirements for system documentation, commissioning tests and inspection

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Methods of test for full-flow lubricating oil filters for internal combustion engines. Part 1. Differential pressure/flow characteristics

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Radio-frequency cable, type PK 75-2-11. Specifications

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Low-power rotating electrical machines. Motors for tape-recorders and electrorecord-playing equipment for domestic use. General specifications

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Single input energizing quantity measuring relays with non-specified time or with independent specified time

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Insulation construction of electrical machinery with previously insulated preformed winding sections. Test method for determination of thermal endurance

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