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
TELEPHONE SYSTEM
摘要
申请公布号
CA299415(A)
申请公布日期
1930.04.15
申请号
CAD299415
申请日期
申请人
THE WESTERN ELECTRIC COMPANY
发明人
THOMAS SAMUEL SKILLMAN
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SYSTEMS AND METHODS FOR DIMINISHING CELL GROWTH AND INDUCING SELECTIVE KILLING OF TARGET CELLS
AUTOMATED ANALYZER WITH LOW-PRESSURE IN-LINE FILTRATION
AN INTEGRATED MAGNETICS COMPONENT
DEVICE FOR MANUFACTURING ABSORBER AND METHOD FOR MANUFACTURING AIR PERMEABLE MEMBER
METHOD FOR TREATING OR AMELIORATING MUCOCUTANEOUS OR OCULAR TOXICITIES
OPTICAL DEVICE
CATALYST FOR H202 SYNTHESIS AND METHOD FOR PREPARING SUCH CATALYST
MEDICINE CABINET
COLD PLASMA TREATMENT DEVICES AND ASSOCIATED METHODS
METHOD FOR DIAGNOSING ALZHEIMER'S DISEASE
ORGANIC LIGHT-EMITTING ELEMENT AND A PRODUCTION METHOD THEREFOR
Battery pack including different kinds of cells and power device including the same
METHOD FOR OPERATING A FURNACE OF A COAL-FIRED POWER STATION
四门衣柜(朗森A)
护颈枕(小鸡)
油瓶（二）
公道杯（耀州瓷）
包装盒（国奕）
包装盒（茶叶6）
儿童软体汽车床（666#）
