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(同时申报发明作废)用于混凝土输送泵的防止杜泵结构

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Affilication of Author(s):机电工程学院

Scope of patent:国内

School Sign:第一单位

Type of Patent:实用新型

State of Patent:专利授权

Application Number:ZL201120247420.1

Authorization number:CN202545214U

Number of Inventors:5

Service Invention or Not:no

Application Date:2011-07-14

Authorization Date:2012-11-21