Valsts valodas centra izstrādātie transporta, infrastruktūras un sakaru termini

Konteksts: [..] The reference plane is the plane defined by the three supporting bosses on the cap flange. [..]
Avots: Agreement concerning the adoption of uniform technical prescriptions for wheeled vehicles, equipment and parts which can be fitted and/or be used on wheeled vehicles and the conditions for reciprocal recognition of approvals granted on the basis of these prescriptions. Regulation No. 37- Uniform provisions concerning the approval of filament lamps for use in approved lamp units on power-driven vehicles and of their trailers.