Metric system

Tacsonomeg

Cod

Nodyn(nodiadau) cwmpas

Nodyn(nodiadau) ffynhonnell

Nodyn(nodiadau) darganfod

Termau hierarchaidd

Metric system

Termau cyfwerth

Metric system

Termau cysylltiedig

Metric system

1 Disgrifiad archifol canlyniad ar gyfer Metric system

Dim ond canlyniadau sy'n uniongyrchol gysylltiedig
Disgynnol

NCB District Heating 1970

File contains correspondence and background information on a film for the National Coal Board on district heating and metrication.

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