An electrical plug is provided for household use by which the orientation of the prongs of the plug can be quickly and easily differentiated by means of the plug's shape and/or colour scheme.
申请公布号
CA2211308(A1)
申请公布日期
1999.02.18
申请号
CA19972211308
申请日期
1997.08.18
申请人
BAKER, JOSEPH DANNIAL ERNEST STEWART;CAN DO INVENTIONS INC.
