共 247 条
[2]
ARBUZOV BA, 1950, IZVEST AKAD NAUK SSS, P291
[3]
ARNOLD HW, 1951, Patent No. 2555912
[6]
ARUNDALE E, Patent No. 475546
[7]
ARUNDALE E, 1943, Patent No. 2312743
[8]
ARUNDALE E, 1945, Patent No. 2384268
[9]
ARUNDALE E, Patent No. 601472
[10]
ARUNDALE E, 1945, Patent No. 2367324