共 23 条
[1]
BAER M, 1950, Patent No. 2533211
[2]
BAER M, 1951, Patent No. 2580271
[3]
BAER M, 1952, Patent No. 2612485
[4]
BAER M, 1950, Patent No. 2533210
[6]
BOUNDY RH, 1952, STYRENE ITS POLYM CO, P319
[7]
BRUERS W, 1936, Patent No. 2031929
[8]
FANTL J, 1952, Patent No. 2620326
[9]
FORDYCE RG, 1953, Patent No. 2650905
[10]
GOEBEL MT, 1949, Patent No. 2475886