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发明名称
ROHRZIEHMASCHINE
摘要
申请公布号
DD337562(A5)
申请公布日期
1992.05.07
申请号
DD19900337562
申请日期
1990.02.02
申请人
发明人
分类号
B21C1/24;(IPC1-7):B21C1/24
主分类号
B21C1/24
代理机构
代理人
主权项
地址
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Improvements in or relating to a method for subjecting a molten mass of metal to vibrations and device for practising the same
Improvements in or relating to mastic coating compositions
Heatproof insulating material
Removable protective skins for ceramic articles
Improvements in or relating to the manufacture of polymeric materials
Thermoplastic compositions of vinyl chloride polymers with chlorinated polyolefins of high molecular weight and processes for their preparation
Mixtures of esters containing epoxide groups, their production and their uses
Process for the catalytic treatment of hydrocarbon distillates
Means for lifting and transporting sheet material and other articles
Moulding of embossed rubber articles
Improvements relating to suction cleaners
Process for the preparation of printing plates
Recovery of phthalic anhydride
Production of air-drying matt lacquers from unsaturated polyesters and compounds polymerisable therewith
Pharmaceutical composition having anti-inflammatory properties
Improvements in or relating to conveyors
Synchronisation device for change-speed gears
Improvements in tunnelling machines
Process for applying firmly adhering phosphate coatings to metal surfaces in the presence of aluminium
Improvements in or relating to the production of carbon disulphide and hydrogen sulphide
