Combination oil ring
US-9726286-B2 · Aug 8, 2017 · US
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Hama Masahide patents in 2017
Hama Masahide was listed as an assignee on 1 patent publication in 2017.
| Metric | Value |
|---|---|
| Company | Hama Masahide |
| Year | 2017 |
| Patents | 1 |
Patents
Representative publications for Hama Masahide in 2017.
Top CPC classifications
Most common classification codes for Hama Masahide in 2017.
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