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一种冰箱用蓄冷剂
Release time:2021-07-24 Hits:
Affilication of Author(s): 中国科学技术大学
Patent description: 发明
Application Number: 90109434.X
Number of Inventors: 1
Service Invention or Not: no
Publication Date: 1992-06-10
First Author: chenzeshao