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
Piezo-electric crystal holder
摘要
申请公布号
US1800577(A)
申请公布日期
1931.04.14
申请号
US19290332474
申请日期
1929.01.14
申请人
WIRED RADIO, INC.
发明人
TROGNER ARTHUR M.
分类号
H03H9/09
主分类号
H03H9/09
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Clutch and brake device
Paper box
Packing for stuffing boxes and the like
Cooler plant for aircraft
Spot welder tip
Vehicle lamp
Aqueous urea-formaldehyde coating compositions
Brake control system
Separator
Compensator for refrigeration control
Symmetrically shaped and easily duplicated pressure tank
Vacuum breaker for water systems
Lubricating oil
Suction cleaner
Dispatching mechanism for alarm signal systems
Cathode locating and anchoring means for discharge tubes or the like
Guitar
Metal accordion
Head lamp
Molding powder of urea-formaldehyde resin containing a curing accelerator
