A manufacturing installation of an insulating block having a concave part for leg formation in the four corners of a bottom mold
[更多]
Heat shielding block with shielding layer by using a pellet of calcium carbonate
[更多]
The windmill and wind power generation device which can function on a downwind type windmill also as a vertical-axis type windmill
[更多]
The decoration costume made of origami which makes the kimono of Japanese clothes.
[更多]
|< <- | [1] [2] [3] [4] [5] [6] [7] [8] [9] | -> >| |