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NF X10-136 (09/1977) (R2012) Measurement of water flow in closed conduits. Tracer methods-par vi:transit time method using non-radioactive tracers.
NF C66-452 (09/1977) (R2012) Insulators and overhead line hardware. Metal fittings. Simple horizontal brackets (HS).
NF X10-137 (09/1977) (R2012) Measurement of water flow in closed conduits. Tracer methods. Part vii:transit time method using radioactive tracers.
NF C66-453 (09/1977) (R2012) Insulators and overhead line hardware. Metal fittings. Double horizontal brackets (HD)
NF Q11-007 (08/1977) (R2007) Paper and board. Characteristics of paper for index cards.
NF F00-002 (08/1977) (R2012) Railway material in general. Manufacturers data plate.
NF B40-108 (08/1977) Refractory materials. Dimensions of springers for quoin arches and shallow-stone arches.
NF P34-401 (07/1977) (R2012) Roofing. Ribbed sheets made from galvanized steel either prelaquered or not. Dimensional characteristics.
NF C93-551 (08/1977) (R2012) Electronic components. Semi rigid coaxial cables. General requirements.
NF X11-622 (07/1977) (R2012) Determination of the area per unit mass of powders (specific surface) by means of gas adsorption. Various readings of the basic method.
NF L48-105 (07/1977) (R2012) Gravity filling orifices.
NF L92-310 (07/1977) (R2012) Jacking pads.