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
Sound reproducing apparatus
摘要
申请公布号
US1970837(A)
申请公布日期
1934.08.21
申请号
US19330650848
申请日期
1933.01.09
申请人
BOWLEY RAYMOND E
发明人
BOWLEY RAYMOND E.
分类号
H04R1/22;H04R1/28
主分类号
H04R1/22
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Tilting mechanism for lamellar blinds
Controlling method and device for electromagnetic radiation emitting apparatuses
A feeler device, particularly for copying machines
Fastening element
Diaphragm assembly for a pressure switch
Chromogenic composition for use in pressure-sensitive record material
Plastic transport case
Plate stack for lead accumulators
Device for separating piled sheets from synthetic material, paperbound or the like
Wrapping material feed and cutting device for product wrapping machines
Magnetically permeable composition and soft magnetic component
Counterbalance actuator
Monopulse tracking apparatus
Article comprising a stacked array of electronic subassemblies
Three-position variable camber krueger leading edge flap
JOINT PROSTHESIS
Method and apparatus for comparing spectra
Oxidized-type glutathione alkyl ester
Flow injection analysis of total inorganic phosphate
Intraluminal stent
