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BK7 optical glass plano convex cylindrical lenses |
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unit price: |
negotiable |
min amount: |
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amount: |
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period for delivery: |
Consignment Deadline Days |
area: |
Beijing |
Expiry date : |
Long Effective |
last update: |
2017-08-23 12:01 |
view count: |
139 |
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