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一种步进式密封圈除尘装备

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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:201620741332.X

Authorization number:ZL201620741332.X

Number of Inventors:7

Service Invention or Not:no

Application Date:2016-07-15

Authorization Date:2016-12-28

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