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AFNOR
FD Z81-013
En Vigor
1996-06-01
Public switched telephone network. Technical specification for type
approval of direct dialling in private switching systems with mf socotel signalling.
AFNOR
AFNOR
FD Z81-014
En Vigor
1996-06-01
Public switched telephone network. Transmission characteristics for
private telephone switching systems.
AFNOR
XP P94-060-2
En Vigor
1997-12-01
Soils : investigation and testing. Shrinkage test. Part 2 :
determination of effective shrinkage characteristic on undisturbed soil sample.










