意大利HBS样本，四份PDF样本，55.9MB

液压控制阀样本 473页

中央回转体样本 69页

滑环样本 11页

电磁阀样本 29页

其中，液压控制阀样本目录如下

Relief valves
Reducing-relieing valves
Sequence valves
Single pilot operated check valves
Single overcenter valves - Dual overcenter valves
Motion control valves
Flow control valves with protection against hoses breakings
Shuttle valves
One way flow restrictor valves
Check valves
Three-way pressure compensated flow regulators
Flow dividers-combiners
Diverters
Revolving connectors
End stroke valves
Three way, 2 position switches
Cavity 

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