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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Abe; Katsuro
Address:
Matsudo, JP
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4369625 Drive system for construction machinery and method of controlling hydraulic circuit means thereo January 25, 1983
A drive system for construction machinery in which hydraulic circuit is provided with a plurality of variable-displacement hydraulic pumps and a plurality of hydraulic actuators, each pump being connected in closed circuit to one or a plurality of the actuators via a solenoid-operated










 
 
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