共 50 条
- [43] SEMI-FINISHED GOLD - MATERIAL FOR THE PRODUCTION OF JEWELLERY METALL, 1981, 35 (05): : 465 - 467
- [47] POSSIBILITIES OF COOPERATION IN SEMI-FINISHED PRODUCTS TRADE METALL, 1973, 27 (02): : 164 - 165
- [48] THE TRADERS IN SEMI-FINISHED PRODUCTS ARE CONFIDENT FOR 1980 METALL, 1980, 34 (06): : 584 - 586
- [49] Isolation of a reversible semi-finished product of fermentation BIOCHEMISCHE ZEITSCHRIFT, 1939, 301 (1/2): : 135 - 136