American 21 Level Exposure Ruler
The American Stouffer 21 level exposure ruler is a necessary item for dry and wet film exposure detection, solder resistance energy test, and exposure condition control of liquid photosensitive line ink and liquid photosensitive solder proof ink Authentic imports from the United States. It is especially suitable for ink factory, printing factory, circuit board factory, etc! Model: T2115 Product specification: Grade 21
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Product Description
The American Stouffer 21 level exposure ruler is a necessary item for dry and wet film exposure detection, solder resistance energy test, liquid photosensitive line ink, and liquid photosensitive solder proof ink exposure condition control. It is imported from the United States.
It is especially suitable for ink factory, printing factory, circuit board factory, etc!
Model: T2115
Product specification: Grade 21

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American 21 Level Exposure Ruler
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