Palas mecandnicas, grandas para izar, excavadoras de balde de arrastre y de balde de grampas, tipos giratorios, montadas sobre rodado a orugas (clasificaciones para exportacian).

Bibliographic Details

Corporate Author:	United States. National Bureau of Standards
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [publisher not identified], 1942.
Subjects:	Buckets (Excavating machinery) Bucket brigade devices.
Online Access:	Electronic resource (PDF)