BS 1399 Pt. 2 : 1970 : Specification for rotary shaft lip seals : methods of performance rating
- London B.S.I. 1970
- 22p.
BS 1399 Pt. 2 : 1970
621-762: / 621-824
BS 1399 Pt. 2 : 1970
621-762: / 621-824
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