| 摘要 |
PROBLEM TO BE SOLVED: To manufacture and market an umbrella with less damage by reinforcing strength of the umbrella or the like, and to manufacture a surface part of the umbrella including those replaceable with the surface part of the umbrella. SOLUTION: The strength is increased by changing materials of parts for the umbrella, which are applied to the whole products of the umbrella-shape. The surface part of the umbrella includes a replaceable structure. COPYRIGHT: (C)2011,JPO&INPIT
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