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(Source: https://www.transportation.gov/)
" có trong những liên kết dưới đây, nhấp chuột để xem chi tiết:Andrew Jackson Beard lived an extraordinary life for a black American inventor. Unlike the vast majority of inventors who never profit from their patents, he profited from his inventions. Andrew Beard was born a slave on a plantation in Woodland, ... (Tiếng Anh - Lớp 12)
Nguyễn Thị Nhài - 07/09 15:06:54
Andrew Jackson Beard lived an extraordinary life for a black American inventor. Unlike the vast majority of inventors who never profit from their patents, he profited from his inventions. Andrew Beard was born a slave on a plantation in Woodland, ... (Tiếng Anh - Lớp 12)
Nguyễn Thị Sen - 07/09 15:06:53
Andrew Jackson Beard lived an extraordinary life for a black American inventor. Unlike the vast majority of inventors who never profit from their patents, he profited from his inventions. Andrew Beard was born a slave on a plantation in Woodland, ... (Tiếng Anh - Lớp 12)
Nguyễn Thị Thảo Vân - 07/09 15:06:52
Andrew Jackson Beard lived an extraordinary life for a black American inventor. Unlike the vast majority of inventors who never profit from their patents, he profited from his inventions. Andrew Beard was born a slave on a plantation in Woodland, ... (Tiếng Anh - Lớp 12)
Nguyễn Thu Hiền - 07/09 15:06:52
Andrew Jackson Beard lived an extraordinary life for a black American inventor. Unlike the vast majority of inventors who never profit from their patents, he profited from his inventions. Andrew Beard was born a slave on a plantation in Woodland, ... (Tiếng Anh - Lớp 12)
Nguyễn Thu Hiền - 07/09 15:06:51