共 7 条
[1]
CARPENTER S, 1968, Patent No. 3385900
[2]
Otey F.H, 1972, J CELL PLAST, V8, P156
[4]
OTEY FH, 1967, J CELL PLAST, V3, P138
[6]
WILHAM CA, 1975, IND ENG CHEM PROD RD, V14, P189
[7]
WOJTOWICZ, 1971, Patent No. 3578400