JPS5027031B1 |
1,269,690. Making casting moulds; drawing. KABELUND METALLWERKE GUTEHOFFNUNGSHUTTE A.G. 13 Nov., 1969 [19 Nov., 1968], No. 55624/69. Heading B3A, B3F and B3P. A longitudinally curved mould, for example a copper arc type mould for a conti...
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