| http://www.w3.org/ns/prov#value | - PCT application No. 90/09231 discloses a hydrogen separation membrane comprising an inorganic support having interstices, the interstices of the support being bridged by a composite layer of partially sintered non-metallic particles and a hydrogen-permeable metal such as palladium, the bridging taking place in such a fashion as to render the composite layer coplanar with the support.
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