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n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
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xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:136760344
rdf:type
prov:Entity
prov:value
a second spring device engaged with the base member of the impact-attenuating element, wherein the second spring device includes a second body member defining a non-planar first surface and a first reinforcing structure including a first raised rib extending along the first surface of the second body member.
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n4:com
Subject Item
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