| 发明名称 |
Outside pipe cutter |
| 摘要 |
|
| 申请公布号 |
US2175622(A) |
申请公布日期 |
1939.10.10 |
| 申请号 |
US19370161536 |
申请日期 |
1937.08.30 |
| 申请人 |
ERCOLE VENTRESCA |
发明人 |
VENTRESCA ERCOLE |
| 分类号 |
E21B29/00 |
主分类号 |
E21B29/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
您可能感兴趣的专利
ULTRA-HIGH-STRENGTH CONCRETE COMPOSITION
MASK EVALUATION METHOD, MASK EVALUATION SYSTEM, METHOD FOR MANUFACTURING MASK, AND PROGRAM
METHOD FOR MAKING MASK PATTERN DATA
FUND STATEMENT CREATION PROGRAM, METHOD, AND DEVICE
COUNTER DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH COUNTER DEVICE
FUNCTION ANALYZING DEVICE, METHOD AND PROGRAM
IN SITU DECONTAMINATION SYSTEM OF CONTAMINATED GROUND WATER
PINBALL GAME MACHINE
GAME MACHINE
GAME MACHINE
PACHINKO GAME MACHINE
NETWORK DATA PROCESSING SYSTEM, NETWORK PRINTING SYSTEM, DATA PROCESSOR, PRINTER, DATA PROCESSING PROGRAM, PRINT PROCESSING PROGRAM, NETWORK DATA PROCESSING METHOD AND NETWORK PRINTING METHOD
GAME MACHINE
METHOD FOR RECOVERY OF STYRENE AND APPARATUS THEREFOR
APPARATUS AND METHOD FOR PLASMA TREATMENT
OPERATION TRAINING SIMULATOR FOR WASTE MELTING TREATMENT INSTALLATION
CALCINING DETOXICATION METHOD OF A PLURALITY OF MIXED POLLUTANTS AND APPARATUS THEREFOR
WASTE TREATMENT METHOD
HOME AGENT APPARATUS, MOBILE ROUTER APPARATUS, MULTICAST COMMUNICATION SYSTEM, AND MULTICAST COMMUNICATION METHOD
MOVING PICTURE CODING APPARATUS AND MOVING PICTURE CODING CONTROL METHOD
