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一种双效四季节能冷暖空调热水三用机
Release time:2021-07-23 Hits:
Affilication of Author(s): 中国科学技术大学
Patent description: 发明
Application Number: 00134800.0
Number of Inventors: 1
Service Invention or Not: no
Publication Date: 2002-04-17
First Author: chenzeshao