In 1885, Thomas Twyford 4 patented the first all-5 ceramic toilet in England. After that, dozens of patents were 6 granted every year for improvements to Twyford's basic design.
1885年，汤玛斯土威福在英国取得第一个全陶瓷马桶的专利，其后每年都有数十项改善土威福基本设计的专利授出。
In 1885, Thomas Twyford 4 patented the first all-5 ceramic toilet in England. After that, dozens of patents were 6 granted every year for improvements to Twyford's basic design.
1885年，汤玛斯土威福在英国取得第一个全陶瓷马桶的专利，其后每年都有数十项改善土威福基本设计的专利授出。
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