| 摘要 |
PROBLEM TO BE SOLVED: To provide a protective sheet which has high productivity and convenience in use at the site and is economically advantageous and improves the reliability of protection and safety. SOLUTION: The protective sheet 1 is provided with a main protective sheet 11 and a plurality of subsheets 21 which are mounted on the main protective sheet 11 in such a way as to have a structure of a plurality of layers by arranging them in line at suitable intervals. The plurality of the subsheets 21 allow upper sides a as an individual part to be mounted on the main protective sheet. Respective subsheets 21 hold a state where they are arranged in line in parallel with each other and hung along the main protective sheet 11. COPYRIGHT: (C)2008,JPO&INPIT
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