| http://www.w3.org/ns/prov#value | - In the case of employing this method, since the thickness of the film that can be formed is thin, its corrosion resistance is not sufficient, and especially, during a shaping process of a metallic squeeze-out tube, tear-off would occur on the inner surface of the shoulder portion and the neck portion, pin holes being apt to arise especially in these portions, so that it was substantially impossibl
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