Cooling cigarette filter and smoking product
AssigneeChina Tobacco Hunan Industrial Co., Ltd.
InventorsWei Luo, Kejun Zhong, Jianfu Liu, Lanying Xie, Liangsheng Qin, Wen Du, Jianhua Yi, Xinqiang Yin, Duo Ding, Jianhui Wen, Guoyong Xie
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