building for special purpose

iron-making raw material

ironmaking raw material preperation industry

iron-smelting raw material

irradiated material

irradiation resistant material

Irradiation tissue-equivalent material

isolating material

Isolation Material

isolation with good material and increase of cross-section

isotrocpic material

Isotropic Material

ITO target material

iuminescent material

ironmaking raw material

J-2944 dacron conformable material

jade raw material

Jar for material