共 15 条
[11]
KUZNETSOV AA, 1983, Patent No. 1076114
[12]
PALCHUN VT, 1982, Patent No. 971287
[13]
Williams D. F., 1978, IMPLANTS SURG
[14]
WULLSTEIN HL, 1972, HEARING IMPROVEMENT
[15]
YUNIN AM, 1984, Patent No. 1151141