Improvements in earth drilling devices and method
IL66073A0Inactive Publication Date: 1982-09-30LIPSKER & CO ENG SERVICES 1975 +2
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Patent Information
- Application Number
- IL66073
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1982-06-16
- Publication Date
- 1982-09-30
- Estimated Expiration
- Not applicable · inactive patent
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