<p>The present disclosure relates generally to air filter systems and air filters. More particularly, it relates to air filter systems capable of transitioning from a collapsed arrangement to an expanded arrangement.</p>
申请公布号
CA2885628(A1)
申请公布日期
2015.09.21
申请号
CA20152885628
申请日期
2015.03.23
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
ZHANG, ZHIQUN;ECHEVERRI, NICOLAS ANTONIO;FOX, ANDREW ROBERT