共 17 条
[1]
BACZEK SK, 1981, Patent No. 4298697
[2]
BRANDRUP J, 1975, POLYM HDB, P337
[3]
COVICH MJ, 1982, Patent No. 4366262
[4]
GIERKE TD, 1977, EL SOC EXT ABSTR, V77
[5]
GROT WG, 1976, Patent No. 3969285
[6]
GROT WG, 1972, Patent No. 3692569
[7]
GROT WG, 1972, Patent No. 905036
[8]
GROT WGF, 1972, MAY EL SOC M HOUST