共 16 条
- [1] [Anonymous], 1970, [No title captured], Patent No. 3527574
- [3] La Belle H.E., 1969, US Patent, Patent No. [3,471,266, 3471266]
- [4] LABELLE H, 1972, Patent No. 3701636
- [6] LABELLE HE, 1972, Patent No. 3650703
- [7] LABELLE HE, 1971, Patent No. 3591348
- [8] LABELLE HE, 1975, Patent No. 3915662
- [9] LABELLE HE, 1974, Patent No. 3846082
- [10] MLAVSKY AI, 1970, WHISKER TECHNOLOGY, P121