Improvements to the coin boxes termed piggy banks

• 1. 一种检测储存硬币金额的智能储钱罐 [P] . 中国专利： CN113538769A . 2021-10-22
• 2. 一种分币式硬币储钱罐 [P] . 中国专利： CN112754124A . 2021-05-07
• 3. Improvements to the coin boxes termed "piggy banks" [P] . 法国专利： FR351545A . 1905-07-19

  机译： 改进了名为“存钱罐”的硬币盒

• 4. Closing the boxes - high, cassettes, piggy banks, etc, which cannot be opened only at the time fixed in advance [P] . 法国专利： FR326254A . 1903-05-20

  机译： 关闭箱子-高处，盒子，储钱罐等，只能在事先确定的时间才能打开

• 5. Piggy Bank with Coin Coin [P] . 韩国专利： KR200276380Y1 . 2002-05-22

  机译： 储钱罐与硬币

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• 2. Short-term Spectral Analysis and Synthesis improvements with oversampled inverse filter banks [C] . Jerome Gauthier, Laurent Duval Wavelets XII pt.2; Proceedings of SPIE-The International Society for Optical Engineering; vol.6701 pt.2 . 2007
• 3. Piggy Pennies: An Interactive Piggy Bank to Help Children Learn Money Management [D] . Tong, Yao. 2018
• 4. Banked preterm versus banked term human milk to promote growth and development in very low birth weight infants [O] . Eugene Dempsey, Jan Miletin, Cochrane Neonatal Group -1
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• 6. U.S. Coins: The Federal Reserve Banks are Fulfilling Coin Demand, but Optimal Inventory Ranges are Undefined [R] . 2008

• 1. 把它送给女生总没错 Kaonasili Coin Bank储蓄罐 [J] . . 计算机应用文摘 . 2017,第007期
• 2. Some Stylized Facts of Short-Term Stock Prices of Selected Nigerian Banks [J] . Maruf Ariyo Raheem ,Patrick Oseloka Ezepue . 统计学期刊（英文） . 2018,第1期
• 3. Summary of Experience from the Long-Term Pedological Research on the Banks and Slopes of Lake Most [J] . Petr Vráblík ,Michal Rehor ,Pavel Schmidt . 土壤科学期刊（英文） . 2018,第12期
• 4. Improvement of Survival in Patient with Primary Metastatic Breast Cancer over a 10-Year Periode: Prospective Analyses Based on Individual Patient Date from a Multicenter Data Bank [J] . Jana Barinoff ,Florian Heitz ,Sherko Kuemmel . 癌症治疗（英文） . 2013,第8期
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• 6. 多通道金属氢化物储氢罐活化测试装置的研制 [A] . 张明轩 . 2021