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
Radio communication system
摘要
申请公布号
US1844973(A)
申请公布日期
1932.02.16
申请号
US19290402005
申请日期
1929.10.24
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
PORTS EARL G.
分类号
H03J7/16
主分类号
H03J7/16
代理机构
代理人
主权项
地址
您可能感兴趣的专利
HYDRAULIC SYSTEM
HYDRAULIC DRIVE OF TWO-TRACK EXCAVATOR TRAVEL MOTION MECHANISM
DEVICE FOR MEASURING HETEROGENEOUS RECOMBINATION OF FREE ATOMS AND RADICALS ON THE SURFACE OF SOLID BODIES
METHOD FOR DETERMINING MOISTURE CONTENT OF SHEET MATERIAL IN THE COURSE OF DRYING
DEVICE FOR INSPECTING QUALITY OF STUFFING OF ELECTROLYZER CATHODE INTERBLOCK JOINTS
BAND WATER LIFT
RESERVOIR
ROOF SLAB
WALL
BUILDING
DEVICE FOR PROTECTION OF WATER STORAGE FROM EVAPORATION
KNITTING MECHANISM OF SINGLE-CYLINDER HOSIERY MACHINE
DOUBLE PLAIN JERSEY PRODUCTION METHOD
LOOM TEMPLE
HAND IMPACT TOOL
METHOD OF TREATMENT OF BILLETS
METHOD OF PRODUCTION OF ARTICLES FROM POLYMER FIBROUS COMPOSITES
PROCESS FOR PREPARING COPOLYMERS CONTAINING ISOCYANURATE GROUPS
METHOD FOR ORGANIC-MINERAL FERTILIZER PRODUCTION
RECOMBINANT PLASMID DNA RES78VCS - A SOURCE OF PROBE FOR CHOLERAIC VIBRIO IDENTIFICATION AND A STRAIN OF BACTERIUM ESCHERICHIA COLI - A PRODUCER OF RECOMBINANT PLASMID DNA RES78VCS