ROAD/RAIL WORKING MACHINE

PROBLEM TO BE SOLVED: To provide a road/rail working machine capable of easily performing expansion/contraction between crawlers in a short time and performing it without increasing the number of hydraulic circuits of a center joint. SOLUTION: A control valve 27 also used for control of an expansion...

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Bibliographische Detailangaben
1. Verfasser: UTSUNOMIYA ARITOMO
Format: Patent
Sprache:eng
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