Diagonal prestressed reinforcement type crane crossbeam
CN112125147A
Horizontal prestress structure type crane beam
CN112125144A
Diagonal prestressed reinforcement type crane crossbeam
CN112125146A
Diagonal prestressed reinforcement type crane crossbeam
CN108915003A
The scraper bowl rocker arm body of excavator
CN108915002A
The dipper rocker arm body of excavator
CN107323650A
Movable wing aircraft
CN105715609A
Connection structure of cylinder barrel of hydraulic oil cylinder and flange
CN107152528A
Hydraulic cylinder piston rod and earrings attachment structure
CN105987041A
Novel double-acting single piston type hydraulic cylinder
CN105887954A
Novel energy-saving loader and control method thereof
CN105587000A
Device and method for breaking rock by using chain and hammer of excavator
CN105887951A
Excavator snatching mechanism and control method
CN105889169A
Hydraulic oil cylinder sectional type piston and mounting method
CN105604725A
Automatic compensation device for piston ring scuffing
CN105317771A
Automatic adjustment pressure reducing valve for return oil backpressure of oil cylinder and adjustment pressure reducing method by using pressure reducing valve
CN104976833A
Refrigeration method utilizing low-temperature liquid refrigeration medium
CN104976514A
Method for carrying out power outputting and gas conveying through low-temperature liquid
CN104654273A
Boiler tail portion smoke heat energy recovery and low-temperature sulfur removal device and method
WO2012126266A1
Lifting system and lifting method for jib of project machine and project machine thereof
