techGetExtractDevices

techGetExtractDevices(
d_techID
) 
=> l_extractDevices / nil

Returns a list of all extract devices defined in the specified technology database. ASCII technology file location: devices section.

d_techID

The database identifier of the technology database.

l_extractDevices	A list of the extract devices.
`nil`	The technology database does not exist or does not contain extract devices.