Class B equipment were derived for typical residential environments to provide reasonable
protection against interference with licensed communication devices.
http://www.ibm.com/jp/pc/service/recycle/personal.html
ThinkPad
78
®
ThinkPad
T40
2003
10
http://www.ibm.com/jp/pc/environment/recycle/battery/
http://www.ibm.com/jp/pc/service/recycle/
1
(
)
PC