共 20 条
[11]
MAZZANTI G, 1957, CHIM IND-MILAN, V39, P743
[12]
MAZZANTI G, 1957, CHIM IND-MILAN, V39, P825
[13]
ETHYLENE-PROPYLENE COPOLYMERIZATION IN PRESENCE OF CATALYSTS PREPARED FROM VANADIUM TRIACETYLACETONATE
[J].
JOURNAL OF POLYMER SCIENCE,
1961, 51 (156)
:411-&
[14]
NATTA G, 1960, CHIM IND-MILAN, V42, P125
[16]
Sherwood T.K., 1952, ABSORPTION EXTRACTIO
[19]
VEERKAMP TA, 1961, MAKROMOLEKUL CHEM, V50, P147
[20]
1959, Patent No. 588764