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用于混凝土输送泵的防止堵泵结构

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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:发明专利

State of Patent:专利授权

Application Number:ZL201110196376.0

Authorization number:CN102220970B

Number of Inventors:1

Service Invention or Not:no

Application Date:2011-07-14

Authorization Date:2015-02-11