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專利局
專利類型
公報類型
資料範圍
專利局
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Start Date
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US
P
2001-03-15
2021-01-21
G
1976-01-06
2021-01-26
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P
1978-12-20
2021-01-20
G
1980-01-09
2021-01-20
TW
P
2003-05-01
2020-12-01
G
1974-01-01
2020-11-21