No. 511 980
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Šw–Ό Liriodendron tulipifera

‰p–Ό Yellow poplarAAmerican

•W€˜a–Ό ƒCƒGƒ|ƒ|ƒvƒ‰

•Κ–ΌA’n•ϋ–Ό

•ͺ•z’nˆζ –kƒAƒƒŠƒJ“Œ•”

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”δd 6 0.41`0.45

Žϋk—¦ 5

@EΪό•ϋŒό Šά…—¦1%“–‚θ•½‹ΟŽϋk—¦ ‘SŽϋk—¦

0.27%`0.32% 6.6%`8.0%

Žϋk—¦ 4

@E”ΌŒa•ϋŒό Šά…—¦1%“–‚θ•½‹ΟŽϋk—¦ ‘SŽϋk—¦

0.13%`0.16% 3.1%`4.0%

-wd10

‹Θ‚°ƒ„ƒ“ƒOŒW” 7 101`112@ ~1000@kg/cm2

cˆ³k‹­‚³ 6+ 356`400kg/cm2

cˆψ’£‹­‚³ | |

‹Θ‚°‹­‚³ 6 631`710kg/cm2

‚Ή‚ρ’f‹­‚³ 6 81.0`90.0kg/cm2

980/1787 ƒy[ƒW
ζ“ͺ ‘Oƒy[ƒW ŽŸƒy[ƒW ΕŒγ


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