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
High speed submarine cable telegraph system
摘要
申请公布号
US1823354(A)
申请公布日期
1931.09.15
申请号
US19290386967
申请日期
1929.08.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
DOWD ANDREW D.;KERR MARK B.;LOCKE GEORGE A.
分类号
H04L5/18
主分类号
H04L5/18
代理机构
代理人
主权项
地址
您可能感兴趣的专利
FISHING LEADER
AUTOMATIC SHOTGUN CHOKE
COMPOSITE WIRE DRAWING DIE
COORDINATED STOPPING OF TAKE-UP AND PROCESS MACHINES
METHOD FOR DEHYDRATION OF WET GASES
SHARPENING MECHANISM PARTICULARLY IN COMBINATION WITH A FORAGE CHOPPER OR THE LIKE
INK DRYING REFLECTOR SYSTEM
NAVIGATIONAL APPARATUS
TUBULAR KEY DECODER
METHOD FOR MAKING SELF-CENTERING PULLEYS
SLIDE FASTENER CHAIN
PROCESS FOR HEAT TREATING MULTI-COMPONENT YARNS
ROLLING PIN
LIMITED SLIP DIFFERENTIAL
DIFFERENTIAL TRANSMISSION
AUTOMATIC HEATING DEVICE TO PREVENT FREEZING OF WATER SUPPLY LINES
OBJECT IDENTIFYING APPARATUS
IMAGE DIVIDING MECHANISM IN PHOTOGRAPHIC CAMERAS FOR UNPERFORATED ROLLFILM
ENVIRONMENT MONITORING DEVICE AND SYSTEM
LUNAR SHELTER
