Number | Name | Date | Kind |
---|---|---|---|
4148196 | French et al. | Apr 1979 | |
4339927 | Sarcia | Jul 1982 |
Entry |
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Schematic of a Multiport Cryopump, Author unknown, Helix Technology Corporation Files, Circa 1979. |
Detailed drawing of the Multiport Cryopump of Reference AR, Author unknown, Helix Technology Corporation Files, Circa 1979. |