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type_genre:"Aufsatz im Buch"
~accessRights:"restricted"
~person:"Qiao, Yongzhong"
~type_genre:"Conference proceedings"
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Maintenance time and the industry development of patents : empirical research with evidence from China
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ECONIS (ZBW)
3
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Empirical research on the maintenance time of granted patents in the performing operations and transporting technological field in six countries
Qiao, Yongzhong
;
Zhang, Yan
- In:
Maintenance time and the industry development of …
,
(pp. 27-38)
.
2017
Persistent link: https://www.econbiz.de/10011537460
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2
Comparative study of the renewal information of granted patents in the physics technological field in China, France and Germany
Qiao, Yongzhong
;
Tan, Wanlin
- In:
Maintenance time and the industry development of …
,
(pp. 39-48)
.
2017
Persistent link: https://www.econbiz.de/10011537461
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3
The cross-national comparative study of the maintenance time of granted patents in the technical field of fixed constructions in different countries
Shen, Jun
;
Qiao, Yongzhong
- In:
Maintenance time and the industry development of …
,
(pp. 49-56)
.
2017
Persistent link: https://www.econbiz.de/10011537462
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