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
Compressional wave translating device
摘要
申请公布号
US2978670(A)
申请公布日期
1961.04.04
申请号
US19430476726
申请日期
1943.02.22
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
JR. ROBERT LEE PEEK,
分类号
B06B1/08
主分类号
B06B1/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Color photography
Brake beam fulcrum
Inking mechanism for printing machines
Current collecting equipment
Fuel-valve lock for motor vehicles
Label dispensing and moistening machine
Signal light support
Gun sight
Control system and to the control of fluid operated mechanism
Method of preparing and maturing alkali cellulose
Material for providing metal with a paint receptive surface
Heel attaching plate
Removal of wool from animal skins
Spinning and twister frame
Lubricating mechanism
Brake gauging device
Stenciling method and apparatus
Bezel mounting
Leashing of hanks of yarn
Hop extractor
