Improvements in and relating to the hardening of foundry cores or moulds
Реферат: 864,512. Treating moulds and cores. HANSBERG, F. Aug. 7, 1959 [Aug. 30, 1958 (2)], No. 27151/59. Drawings to Specification. Class 83 (1). The subject-matter of the Specification is the same as that of Specification 864, 511, which is referred to, the claims being characterized by details of the vacuum-device.
Improvements in and relating to the hardening of foundry cores or moulds
Номер патента: GB864511A. Автор: . Владелец: Individual. Дата публикации: 1961-04-06.