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Compression seal is one of the main factors which determine the efficiency of internal combustion engines. This makes the valves and their seats of fundamental importance and if they are worn the e...
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Compression seal is one of the main factors which determine the efficiency of internal combustion engines. This makes the valves and their seats of fundamental importance and if they are worn the e...
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Compression seal is one of the main factors which determine the efficiency of internal combustion engines. This makes the valves and their seats of fundamental importance and if they are worn the e...
