| 摘要 |
PROBLEM TO BE SOLVED: To provide a roof material capable of improving the outer appearance, increasing waterproof function, heat insulation function, dew proofing function, and snow guard function, etc. SOLUTION: The roof material A is constituted by partly forming like a plane top, the apex 6a of the downstream stepped decoration face 6 of a metallic roof material B in which a male-female joint structure is formed at the breadthwise side end edge. COPYRIGHT: (C)2005,JPO&NCIPI
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