共 82 条
[1]
FISCHER H, Patent No. 740678
[2]
HERRMANN WO, Patent No. 868900
[3]
HERRMANN WO, Patent No. 654282
[4]
NICODEMUS O, Patent No. 638003
[5]
NIEUWLAND, Patent No. 271381
[6]
REPPE, Patent No. 589970
[7]
REPPE, Patent No. 588352
[8]
STAEGER R, Patent No. 900835
[9]
393734
[10]
553071