A dental floss article is provided comprising a fiber having a predetermined length and defined by at least one substantially rigid portion and at least one flexible portion.
申请公布号
CA2220230(A1)
申请公布日期
1997.11.06
申请号
CA19972220230
申请日期
1997.03.04
申请人
W. L. GORE & ASSOCIATES, INC.
发明人
GRAY, THOMAS MICHAEL;BACINO, JOHN EDWARD;DOLAN, JOHN WILLIAM
