procedures to achieve a hochvakuums and arrangement for execution of the procedure

摘要

932,014. High vacuum pumping systems. VARIAN ASSOCIATES. March 23, 1960 [March 30, 1959], No. 42267/62. Divided out of 932,012. Class 8(1). The subject-matter of this Specification is substantially the same as that described in Specification 932,012 but the claims are concerned with the confinement of the sorbant material in the chamber 22. Specification 932,013 also is referred to.