VERNIER CALIPERS FOR MEASURING EXPANDED PIPE AND PIPE EXPANSION RATIO
VERNIER CALIPERS FOR MEASURING EXPANDED PIPE AND PIPE EXPANSION RATIO
- CN 87,201,014 U
- Filed: 01/28/1987
- Issued: 06/01/1988
- Est. Priority Date: 01/28/1987
- Status: Active Grant
- EN CH
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- Pin
