| 摘要 |
Semicrystalline polyolefin composition comprising copolymers a), b) and c) of prolylene with at least one comonomer selected from C4-C10alpha-olefins, where the total content of recurring units from the said comonomer, referred to the composition, is equal to or higher than 6% and teh respective percentages representing the content of said recurring units in each one of the copolymers a), b) and c) are different from each other, said difference being of at least 1 unit.
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