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Iron

7439-89-6 球形 80μm

Palladium

7440-05-3 99.9 圆柱 3mm*6mm

Hafnium powder

7440-58-6 99%,-300mesh，O≤0.5wt%

Chromium

7440-47-3 99.5%,80μm,球形

Boron

7440-42-8 99.9% -300目

Boron powder

7440-42-8 ≥99.9%,50-80nm

Silicon

7440-21-3 99.95% ，300mesh

Silicon powder

7440-21-3 99.95，1000mesh

N/A

7440-21-3 99.9%,1000mesh

Silicon powder

7440-21-3 99.95%,1-3μm

Molybdenum

7439-98-7 99.9%,5-10μm

N/A

7440-33-7 99.99%1-3μm

N/A

7440-33-7 99.99%，1微米

N/A

7440-05-3 99.9% 圆柱3mm*6mm

Lutetium

7439-94-3 99.99% 块

Lead standard

7439-92-1 99.99%(高纯试剂)

GOLD

7440-57-5 99.99%

Iridium

7439-88-5 99.95% 200目

Germanium

7440-56-4 99.99% 325目

Germanium

7440-56-4 99.999% 3-5mm

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