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BSI Group, 06/14/2011
Publisher: BS
File Format: PDF
$128.00$257.29
Published:14/06/2011
Pages:26
Vapour vacuum pumps. Method of measurement of critical backing pressure
$125.00 $251.46
Ballasts for operation of fluorescent lamps on a.c. 50 c/s supplies
Textile machinery and accessories: pirns for winding at the loom-Specification for weft pirns without rings
Arc welding power sources, equipment and accessories-Specification for air cooled power sources for manual metal-arc welding with covered electrodes and for TIG welding