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NF E31-001 (05/1969) (R2009) Boilers operating with solid, liquid or gaseous fuels.
NF G36-100 (05/1969) (R2009) Netting yarns for fishing nets. Designation in the tex system.
NF G36-102 (05/1969) (R2009) Fishing nets-hanging of netting:basic terms.
NF L22-524 (04/1969) Nut-double hexagon, self locking, fine pitch threads, for temperatures up to 650 degrees celsius.
NF E29-572 (04/1969) (R2009) Quarter turn connections (guillemin system). Nominal pressure pn 16.
NF L23-118 (04/1969) (R2004) Plain washers, hi-thick.
NF L58-400 (04/1969) Proximity detection system sensor.
NF C66-133 (04/1969) High-voltage ceramic insulators. Pin-fixed solid rod insulators.
NF C66-134 (04/1969) High-voltage ceramic insulators. Solid rod insulators with calibrated head.
NF L23-119 (04/1969) (R2004) Thick plain washers.
NF L23-134 (04/1969) (R2004) Plain washers, reduced outside diameter.
NF B49-416 (02/1969) (R1999) Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of phosphorus.