Class B equipment were derived for typical residential environments to provide reasonable
protection against interference with licensed communication devices.
PC
http://www.ibm.com/jp/pc/service/recycle/
2003
10
1
http://www.ibm.com/jp/pc/service/recycle/personal.html
(
)
ThinkPad
http://www.ibm.com/jp/pc/environment/recycle/battery/
74
®
ThinkPad
R50