| 摘要 |
PROBLEM TO BE SOLVED: To provide a sanitary pipe member facilitating confirmation of a connection state, while enabling to quantitatively clarify its visibility and smoothness. SOLUTION: This resin pipe member has transmissivity of 40% or more in a wavelength area of 300-400 nm, of 35% or more in the wavelength area of 400-500 nm, and of 30% or more in the wavelength area of 500-600 nm. COPYRIGHT: (C)2010,JPO&INPIT
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