| http://www.w3.org/ns/prov#value | - A seal member 37 is adhered to the surface of the held portion 34Y that faces a front end 33 a around the opening A of the container body 33Y. The seal member 37 is used for sealing the gap which is around the opening A and is between the surfaces of the container body 33Y and the held portion 34Y that mutually face each other, and is made of an elastic material such as polyurethane foam.
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