ČSN 446160 (446160) Date: 23.12.1981

Mine ventilation. Air ducts with rotary flanges

Info Designation Catalog number More information

ČSN 446160 (446160)

Date: 23.12.1981

Mine ventilation. Air ducts with rotary flanges

28477
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INVALID STANDARD !

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Update dated on

  • 2018-05-21

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