共 21 条
- [1] BLACK H, COMMUNICATION
- [4] EPSTEIN AK, 1938, Patent No. 2140793
- [6] GREENBANK GF, 1933, Patent No. 1898363
- [8] GUILLAUDEU A, 1940, Patent No. 2197269
- [9] Higgans J. W., 1944, OIL AND SOAP, V21, P277, DOI 10.1007/BF02565474
- [10] Lips A., 1943, OIL AND SOAP, V20, P193, DOI 10.1007/BF02593130