Indexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses [cpc: f03b], [cpc: f03d] and [cpc: f03g]
Indexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses [cpc: f03b], [cpc: f03d] and [cpc: f03g]