KNOWLEDGE ASSET
481 US4276947 Roller Belleville spring damper Smith International 钻柱滚轮碟簧减震器
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Curated summary
Summary in preparation.
Bibliographic metadata
| File | 481__US4276947_Roller_Belleville_spring_damper_Smith_International_钻柱滚轮碟簧减震器.pdf |
|---|---|
| Type / category | reference_pdf / references |
| Section | Applications · oil-gas-drilling |
| Organization | — |
| Authors | — |
| Language | — |
| Rights / access | unknown / internal |
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Version not identified · active · current
Professional identifiers
Identifier pending review.