| http://www.w3.org/ns/prov#value | - The feature of a fluid transmitting polyolefin foam according to the present invention resides in that the polyolefin foam is formed of a composition of a polyolefin and a polymer other than a polyolefin mixed with and uniformly dispersed in each other and at the same time, the foam comprises cells having walls formed of said composition which are made of a uniformly dispersed mixture of the two c
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