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WITKOWITZER BERGB GEWERKSCHAFT
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WITKOWITZER BERGB GEWERKSCHAFT
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Filing date
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Application filed by WITKOWITZER BERGB GEWERKSCHAFTfiledCriticalWITKOWITZER BERGB GEWERKSCHAFT
Application grantedgrantedCritical
Publication of FR806528ApublicationCriticalpatent/FR806528A/fr
B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR806528D1936-05-151936-05-15Procédé pour obtenir des surfaces lisses lors de la coulée de pièces moulées en acier ou en autre métal
ExpiredFR806528A
(fr)