Belarus standards PDF
Washers for unified hexagons for aircraft (primarily for facing purposes). Original standard BS SP 126 & 127-1959 + A3-2011 in PDF full version. Additional info + preview on request
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Specification for Washers for aircraft purposes. Original standard BS SP 13, 14, 15 & 16-1949 + A4-2011 in PDF full version. Additional info + preview on request
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Specification for Copper beryllium crinkle washers. Original standard BS SP 134 to SP 138-1968 + A1-2012 in PDF full version. Additional info + preview on request
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Specification for Corrosion-resisting steel crinkle washers. Original standard BS SP 139 and SP 140-1969 + A2-2012 in PDF full version. Additional info + preview on request
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Original standard BS SP 142 and SP 143-1973 + A3-2013 in PDF full version. Additional info + preview on request
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Aerospace - Rivets, solid, in aluminium or aluminium alloys - Procurement specification. Original standard BS SP 172-1999 (ISO 9418-1998) in PDF full version. Additional info + preview on request
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