Gravity power generating apparatus
PK201100540A0Undetermined Publication Date: 2011-08-03HUNG HSIEN YEH
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Patent Information
- Authority / Receiving Office
- PK · PK
- Patent Type
- Applications
- Current Assignee / Owner
- HUNG HSIEN YEH
- Filing Date
- 2011-07-16
- Publication Date
- 2011-08-03
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