| 摘要 |
PROBLEM TO BE SOLVED: To provide a composite container comprising a thin container with a flat cross section on its barrel and an outer packaging container of the same shape which is replaceably mounted thereon. SOLUTION: The composite container comprises an inner container and the outer packaging container which are coupled so that they can be engaged/ disengaged and respectively have barrel sections different between in a longitudinal direction and in a widthwise direction. The inner container and the outer packaging container are coupled via a fastening device formed of a soft material.
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