Membran, insbesondere für akustische Zwecke und Verfahren zu ihrer Herstellung.,申请号ATD119414-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Membran, insbesondere für akustische Zwecke und Verfahren zu ihrer Herstellung.
摘要
申请公布号	AT119414(B)	申请公布日期	1930.10.25
申请号	ATD119414	申请日期	1929.04.03
申请人	DR.-ING. RUDOLF GOLDSCHMIDT	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ATTACHING METHOD OF SLEEVE FOR PENETRATION

SPEED CHANGE GEAR

COLORING METHOD OF ALUMINUM OR ALUMINUM ALLOY

IMPROVED ANODE BASED ON LEAD AND PREPARATION THEREOF

REGENERATION OF AMMONIACAL ETCHING LIQUID

CAST IRON FOR BRAKE DISK ROTOR AND BRAKE DRUM

MANUFACTURE OF IRON-BASE SINTERED MACHINE PARTS WITH HIGH STRENGTH AND WEAR RESISTANCE

CONTROL DEVICE FOR HEATING FURNACE

SYNCHRONOUS GEAR COUPLING

SEALED METALLIC WIRE ROD FOR REINFORCING GLASS

WEAR-RESISTANT HIGH-STRENGTH BRASS ALLOY

MOLEN IRON DEPHOSPHORIZER

UNDERWATER GRANULATING METHOD OF COAL CONTAINING FINE PULVERIZED COAL

COLD WATERPROOFING AGENT

SEMICONDUCTIVE COMPOSITION

MANUFACTURE OF HARDENABLE COPOLYMER AND USE

ALPHA-(2-PYRIDYL)ARYLACETALDEHYDE

GRANULAR FACE CLEANSER