| http://www.w3.org/ns/prov#value | - 20130220459HYDRAULIC OIL STORAGE DEVICE AND INJECTION MOLDING DEVICE - A hydraulic oil storage device and an injection molding device are provided with a connection box that partitions a storage region of a sub-tank into a first region that includes a flow channel opening portion for a coupling tube and a second region other than the first region, in which the connection box is provided with an in
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