共 23 条
[1]
ARIES R, 1970, Patent No. 1584861
[2]
ARIES R, 1969, Patent No. 1580970
[3]
BALDWIN JJ, 1976, Patent No. 3987054
[4]
DENZEL T, 1976, Patent No. 3971801
[5]
ELOY FGF, 1890, Patent No. 426439
[6]
ERICKSON HE, 1976, Patent No. 2553520
[7]
FAURAN C, 1975, Patent No. 2269938
[9]
GEORGE E, 1975, Patent No. 1381840
[10]
GEORGE EF, 1973, Patent No. 2310049