資料範圍

專利局公報狀態Start DateEnd Date
US P 2001-03-152021-01-21
G 1976-01-062021-01-26
EP P 1978-12-202021-01-20
G 1980-01-092021-01-20
TW P 2003-05-012020-12-01
G 1974-01-012020-11-21