| 摘要 |
PROBLEM TO BE SOLVED: To provide a drop lid of paper which is taken out one by one, can be used according to the size of a pan, etc., is not bulky, is convenient, and is handy. SOLUTION: It is possible to employ the drop lid of paper according to the pans of various sizes because of its perforations. The drop lid of paper is disposable one by one, is also sanitary, and can be used conveniently. COPYRIGHT: (C)2005,JPO&NCIPI
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