发明授权
US5179749A Seamless modular tile 失效
无缝模块化瓷砖

Seamless modular tile
摘要:
Method to jet dry carpet tiles by controlling the solenoid valve to the dye jet to provide a subliminal design over which a darker geometric design is imposed with the darker geometric design crossing the seam line so that the seam line between abutting carpet tiles is very indistinct to the human eye.
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