butt welding for steel pipe
high-heat input welding steel
Steel for high rise building
Steel for high rise building Q345GJD
steel for welding electrode
(1) for the need of public interest
1-order ordinary differential matrix equation for the state vector
a bull market for the US dollar
a dedicated transformer for the motor starting directly on line
a guide-dog for the blind
A Kind of New Excited Circuit for the Generators
a ladle for the whole process
a method for the calculation of magnetic field
a program for the cost of a casting
a very important day for the referendum vote
Academy of Sciences for the Third World