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Spiral steel pipe is an important steel pipe in the project construction. It is forme...
What are the advantages of using a gas-phase liquid nitrogen freezer to preserve stem...
The advantages of gas-phase liquid nitrogen tanks are mainly reflected in the followi...
With the continuous advancement of science and technology, the functions of liquid ni...
For long-term storage of large quantities of dry cell samples, it is ideal to use ste...
Vapor-phase liquid nitrogen tank,also known as"stem cell liquid nitrogen tank",is nam...
Carbon structural steel, High carbon steel, mild steel, Carbon tool steel, Medium car...