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All mental calculation wholesalers & mental calculation manufacturers come from members. We doesn't provide mental calculation products or service, please contact them directly and verify their companies info carefully.
| Total 3 products from mental calculation Manufactures & Suppliers |
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Brand Name:WINNER Place of Origin:TAIZHOU-CHINA ... hardness is determined by the depth of indentation plastic deformation hardness index. Under certain conditions, HB and HRC can be interchanged by table lookup. Its mental calculation formula can be roughly written as: 1HRC≈10HB. Brinell |
Jiangsu Weiying Machine Co. Ltd.
Jiangsu |
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Brand Name:Lookcare Model Number:R7 Place of Origin:Shenzhen China ... powder,it can be matched with various watchbands for a personalized look. Menstrual calculation,intelligent prediction of women's physiological period,safe period,ovulation period,protect the physical and mental health of the goddess. IP 67 waterproof |
Shenzhen Lookcare Industry Co., Ltd
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