始于1952
No. | Patent No. | Patent Name |
1 | 96205665 | Trolley mechanism |
2 | 97210389.9 | telescope jib of tower crane |
3 | 1206714.8 | protection devices of chute delivery of offset pressure drum |
4 | 2245357.1 | frequency speed regulation device for hoisting mechanism of tower crane |
5 | ZL 2004 2 0033731.8 | DC speed regulation device for tower crane |
6 | ZL 2009 2 0311134.X | hoisting mechanisms for large tonnage tower crane |
7 | ZL 2010 2 0302654.7 | Frequency hoisting mechanism with double brake system |
8 | ZL 2010 2 0302678.2 | Frequency hoisting mechanism |
9 | :ZL 2009 2 0311809.0 | Telescoping power system for tower crane |
10 | ZL 2009 2 0311547.8 | Cooling system for motor of armored vehicle |
11 | ZL 2009 2 0311468.7 | Mixing device of concrete pump |
12 | ZL 2009 2 0311426.3 | Motor start device |
13 | ZL 2009 2 0312384.5 | Concrete mixing control system |
14 | ZL 2011 2 0047685.7 | two position six way directional control valve |
15 | ZL 2010 2 0172070.2 | ireless control device for concrete distributor |
16 | :ZL 2010 2 0199376.7 | wireless control device for concrete pump |
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