首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Verfahren und Vorrichtung zur Verguetung von Kohlegriess fuer Fernsprechmikrophone
摘要
申请公布号
DE959738(C)
申请公布日期
1957.03.14
申请号
DE1955S044580
申请日期
1955.07.01
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
HUNGERMANN DR. RER. NAT. ERICH
分类号
H04R21/00
主分类号
H04R21/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Fire truck torque box aerial frame
Broadhead assembly for arrow
Plastic closure with flowed-in plastisol lining
Folding carton and blank therefor, for cigarettes
Control system for automatic transmissions for vehicles
Apparatus for sealing the guide pin of a floating-caliper spot-type disc brake
Filter cigarette
Vibrator massager using beat frequency
Light metal cylinder head with valve seat insert
Air classification in a spray grainer
Method of implanting hair on a sheet support
Process and apparatus for delivering carbon material to a furnace
Removing frost deposits from cooling-coil batteries in a freezing plant during operation
Tote pan and warehouse rack structure therefor
Apparatus for sampling and characterizing aerosols
Child proof cap having tamper means
Support for jars
Snow vehicle equipped with wide, low-pressure tires
Power assist device for a vehicle steering system
Sprinkler head