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
Induction caliper
摘要
申请公布号
US2736967(A)
申请公布日期
1956.03.06
申请号
US19520270873
申请日期
1952.02.09
申请人
SCHLUMBERGER WELL SURVEYING CORPORATION
发明人
DOLL HENRI-GEORGES
分类号
E21B47/08
主分类号
E21B47/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
PARTICULATE MATERIAL RESERVING DEVICE
AUTOMATED STORAGE AND RETRIEVAL SYSTEM
TAB FOR OPENING CAN AND LID FOR CAN
INTEGRAL PAPER CONTAINER
SEALING BODY CLEANING DEVICE
CURVE CONVEYER
PACKING DEVICE FOR CHAIR
VEHICLE FLOOR STRUCTURE
EAR BASE HOUSING CASE FOR CELLULAR PHONE
RETRACTABLE DISPLAY DEVICE
PERIPHERY VISUALLY RECOGNIZING DEVICE FOR VEHICLE
TRANSMISSION CHANGE LEVER STRUCTURE FOR VEHICLE
REDUCING STRUCTURE OF AIR CONDITIONING NOISE
ROTARY SUPPORTING DEVICE FOR DRIVE WHEEL
LINE DRAWING UNIT FOR CARPET
CLIP
ON-VEHICLE EQUIPMENT MOUNTING STAND
NEWSPAPER HAVING FOLDED PAGE
METHOD AND EQUIPMENT FOR BOOKBINDING WITH ADHESIVE PASTE
LIQUID JET HEAD AND ITS MANUFACTURING METHOD
