| http://www.w3.org/ns/prov#value | - In an automatic core stacking machine, a base, a magazine for a group of core punchings of one shape mounted on said base, a second magazine for a group of core punchings of a different shape mounted on said base, means mounted on said base for automatically stacking said punchings into a core, said means including apparatus for automatically sliding said punchings into said core from the same sid
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