| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem of requiring a filtration gutter and a filtration roof that can supply clean rainwater in a maintenance-free manner without causing clogging. SOLUTION: The filtration gutter is mounted to the eaves to form a sealed space by a flashing directional filter and a water receiving chamber. The filtration gutter is adjustable to cope with various roof shapes, and the filtration roof with the built-in filtration gutter can be provided. COPYRIGHT: (C)2009,JPO&INPIT
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