共 64 条
[61]
WATANABE M, 1991, Patent No. 0268214
[62]
SYNTHESIS AND STRUCTURE OF ZIRCONIUM TETRACHLORIDE ESTER COMPLEXES, ETHYLENE OLIGOMERIZATION CATALYST PRECURSORS
[J].
JOURNAL OF MOLECULAR CATALYSIS,
1989, 53 (03)
:433-442
[63]
YOUNG DA, 1988, Patent No. 295960
[64]
YOUNG DA, 1992, Patent No. 9216477