翬脖禍Τそ(鸿脖仪Τそ)
  GREEN TREE SCIENTIFIC & INSTRUMENT CO.


瓣 CANNON 玻珇
翲璸タノ夾非睪/夾非翲睪
Certified Viscosity Reference standards
ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (the Calculation of Dynamic Viscosity)
硓㎝ぃ硓睪砰笲笆謅代﹚猭 (珹璸衡笆謅)

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