Yongzhong Qiao <br/><br/>
Maintenance Time and the Industry Development of Patents 

 - 1st ed. 2017 
 -  Springer  2017 
<br/><br/><label>ISBN: </label>9789811016219 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business and Management<br/>Innovation and Technology Management