DD67629A - - Google Patents

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Publication number
DD67629A
DD67629A DD67629DA DD67629A DD 67629 A DD67629 A DD 67629A DD 67629D A DD67629D A DD 67629DA DD 67629 A DD67629 A DD 67629A
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DD
German Democratic Republic
Application number
Publication of DD67629A publication Critical patent/DD67629A/xx

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DD67629D DD67629A (ref)

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DD67629A true DD67629A (ref)

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ID=259056

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092612A (en) * 1986-10-28 1992-03-03 Pacific Wietz Gmbh & Co. Kg Contactless pressurizing-gas shaft seal
US5222743A (en) * 1991-02-15 1993-06-29 John Crane (Uk) Limited Mechanical face seal with trapezoidal shaped grooves on a sealing face

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092612A (en) * 1986-10-28 1992-03-03 Pacific Wietz Gmbh & Co. Kg Contactless pressurizing-gas shaft seal
US5222743A (en) * 1991-02-15 1993-06-29 John Crane (Uk) Limited Mechanical face seal with trapezoidal shaped grooves on a sealing face

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