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Patents
Patents Assigned to Winpro Co., Ltd.
Patents Assigned to Winpro Co., Ltd.
Vertical axis type wing for electricity generating windmill
Patent number:
D666969
Type:
Grant
Filed:
April 19, 2011
Date of Patent:
September 11, 2012
Assignee:
Winpro Co., Ltd.
Inventor:
Akio Hara