共 6 条
[1]
CALDWELL JR, 1968, Patent No. 3408334
[2]
FLORY PJ, 1941, Patent No. 2244192
[4]
KRASNOV YP, 1969, VYSOKOMOL SOEDINO A, V11, P1930
[5]
Morgan PW, 1965, CONDENSATION POLYM I, P190
[6]
SPERATI CA, 1954, Patent No. 2669556