| 发明名称 |
Pulling tool |
| 摘要 |
|
| 申请公布号 |
US2747673(A) |
申请公布日期 |
1956.05.29 |
| 申请号 |
US19520316410 |
申请日期 |
1952.10.23 |
| 申请人 |
LAWRENCE RICHARD R |
发明人 |
LAWRENCE RICHARD R. |
| 分类号 |
E21B23/04;E21B31/20 |
主分类号 |
E21B23/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
PLANT CULTIVATION UNIT AND PLANT CULTIVATION FACILITY
RESIN COMPOSITION, METHOD FOR PRODUCING RESIN COMPOSITION, POWDERY MIXTURE, BIPOLAR PLATE FOR REDOX FLOW CELL, AND SEPARATOR FOR FUEL CELL
SOLAR HEAT MAGNESIUM REDUCTION FURNACE
WORK OPERATION INSPECTION SYSTEM
LOCUS DRAWING DEVICE, LOCUS DRAWING METHOD, LOCUS DRAWING SYSTEM, AND PROGRAM
ELECTROLYTIC SOLUTION, SECONDARY BATTERY ARRANGED BY USE THEREOF, BATTERY PACK INCORPORATING SECONDARY BATTERY, AND ELECTRONIC DEVICE
COMPOSITIONS COMPRISING NEISSERIA MENINGITIDIS ANTIGENS FROM SEROGROUPS B AND C AND FURTHER ANTIGEN
ELONGATION DETECTING DEVICE FOR CHAIN PIECE OF PASSENGER CONVEYOR
CONTINUOUS BLOOD COMPONENT MEASURING APPARATUS
FAILURE CAMERA DETECTION METHOD AND FAILURE CAMERA DETECTION PROGRAM OF IMAGING APPARATUS, AND IMAGE PROCESSING APPARATUS
PIEZOELECTRIC ACTUATOR UNIT
EVALUATION METHOD FOR TRANSMISSIVITY OR DIFFUSIBILITY FOR LIGHT AND EVALUATION SYSTEM FOR TRANSMISSIVITY OR DIFFUSIBILITY USED TO IMPLEMENT THE EVALUATION METHOD
PORTABLE FLUSH TOILET HAVING DIAPHRAGM PUMP POWERED BY FOOT PEDAL
PLASMA CVD DEVICE
SUBSTRATE PROCESSING DEVICE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
BELT CURVE CONVEYER DEVICE
METHOD FOR INITIALIZATION OF SUPERCONDUCTING QUANTUM BIT
METHOD FOR MANUFACTURING LIQUID DISCHARGE HEAD
BLACK COATED METAL PLATE
WATER DESALINATION PROCESSING METHOD AND APPARATUS
