|
CN112251662A
|
|
High-strength high-toughness low-alloy steel and heat treatment method thereof
|
|
CN112122557A
|
|
Casting method of upper casting piece of gearless electric propeller
|
|
CN112170785A
|
|
Casting method of hub reduction gear frame
|
|
CN112247069A
|
|
Casting method of lower casting of gearless electric propeller hull
|
|
CN112247068A
|
|
Casting method of upper casting of gearless electric propeller hull
|
|
CN110257715A
|
|
A kind of jaw crusher determines the casting method of jaw
|
|
CN110270661A
|
|
The casting method of part all-direction propeller gear-box peculiar to vessel
|
|
CN110184544A
|
|
A kind of low alloy material and the heat treatment method using part made of the material
|
|
CN110216240A
|
|
A kind of petroleum preventer double disc Shell Manufacture
|
|
CN110202093A
|
|
A kind of resin sand casting technique of annular petroleum preventer top cover
|
|
CN108798586A
|
|
A kind of preventer
|
|
CN108707814A
|
|
A kind of petroleum machinery double disc casting
|
|
CN108677085A
|
|
A kind of preparation method of petroleum machinery preventer casting
|
|
CN108660372A
|
|
A kind of double disc
|
|
CN108714683A
|
|
A kind of preparation method of petroleum machinery double disc casting
|
|
CN108677086A
|
|
A kind of petroleum machinery preventer casting
|
|
CN107475593A
|
|
A kind of In Mine Crusher cutter
|
|
CN107448172A
|
|
A kind of manufacture method of mining machinery rig rotary guide sleeve
|
|
CN107475594A
|
|
A kind of rotating reversible impact grinding machine rotor
|
|
CN107282203A
|
|
A kind of impact crushing machine rotor
|
