LEE Sangwook,KIM Youngjong,KIM Miju,KIM Hyewon,JEON Hoil,JANG Hyungkwan
申请号：
US201816002406
公开号：
US2018355538(A1)
申请日:
2018.06.07
申请国别(地区):
美国
年份:
2018
代理人:
摘要：
A drum of a washing machine, which is configured to receive laundry and to perform washing or dehydration, includes a circumferential surface that defines a plurality of first patterns that protrude from the circumferential surface toward an interior of the drum, a second pattern that is recessed from the circumferential surface toward an exterior of the drum and that is surrounded by the plurality of first patterns, and a through hole located at the second pattern.
