CH560171A5CH1423670ACH1423670ACH560171A5CH 560171 A5CH560171 A5CH 560171A5CH 1423670 ACH1423670 ACH 1423670ACH 1423670 ACH1423670 ACH 1423670ACH 560171 A5CH560171 A5CH 560171A5
Authority
CH
Switzerland
Application number
CH1423670A
Original Assignee
Hagenburger Kurt Chamotte Und
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Filing date
Publication date
Application filed by Hagenburger Kurt Chamotte UndfiledCriticalHagenburger Kurt Chamotte Und
Publication of CH560171A5publicationCriticalpatent/CH560171A5/xx
B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds