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Priority to NL6909325ApriorityCriticalpatent/NL6909325A/xx
Priority to BE734945Dprioritypatent/BE734945A/xx
Publication of NL6909325ApublicationCriticalpatent/NL6909325A/xx
B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
B28D1/185—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools for brick cleaning