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Specification:
experiment guide
with details visibly depicted
Displays the external structure of the following human endocrine organs: pituitary gland
Battery Holder Board Specification:Battery Holder Board. 4 battery holders mounted on yellow plastic board, can output 4 level DC voltage 1. 5V, 3V, 4. 5V, 6V. Premium Quality: Battery Holder Board is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please
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